COMPARING RATES WORKSHEET

About "Comparing rates worksheet"

Comparing rates worksheet are much useful to the students who would like to practice problems on comparing two measures for decision making. 

Comparing rates worksheet - Problems

Here we are going to look at markup and markdown worksheets - problems . 

1. Which is best,

10 pencils cost $4

or 

6 pencils cost $2.70 ?

2. Which is best,

2 liters of milk at $3.80

or 

1.5 liters of milk at $2.70 ?

3. Who is better in earning,

David earns $57.60 in 8 hours

or 

John earns $90 in 12 hours ?

4. Who is driving faster,

Alex covers 120 miles in 3 hours

or 

Jose covers 84 miles in 2 hours ?

5. Who is better,

Lily can prepare 10.4 gallons of juice in 4 days

or 

Rosy can prepare 7.5 gallons of juice in 3 days ?

6. Which is best,

500 grams cheese cost $ 3.25

or 

1.5 kilograms cheese cost $ 9.9

7. Who is driving faster,

Lenin  covers 6 miles in 2 minutes

or 

Daniel covers 225 miles in 1.5 hours ?

8. Who is better in walking,

  Shanel walks 2/ 5 of a mile every 1/7 hour.  

or 

Declan walks 3/5 of a mile every 2/7 hour ?

9. Who is better,

 Daniel answered 240 answers correctly out of 300 questions  

or 

Deborah answered 328 questions correctly out of 400 questions ? 

10. Which is best,

Plan A :  Income of $250 on $5000 investment  

or 

Plan B :  Income of $280 on $7000 investment

Do you need answers for the above questions ?

Here they are .

Step by step solution

Problem 1 :

Which is best,

10 pencils cost $4

or 

6 pencils cost $2.70 ?

Solution : 

To compare the given measures, convert them in to unit rates. 

We get the lowest price per pencil $0.40 in "10 pencils cost $4"

Hence, "10 pencils cost $4" is the best deal

Let us look at the next problem on "Comparing rates worksheet"

Problem 2 :

Which is best,

2 liters of milk at $3.80

or 

1.5 liters of milk at $2.70 ?

Solution : 

To compare the given measures, convert them in to unit rates. 

From the above unit rates, we get the lower price per liter of milk $1.8 in "2 liters cost $2.70"

Hence, "2 liters cost $2.70" is the best deal

Let us look at the next problem on "Comparing rates worksheet"

Problem 3 :

Who is better in earning,

David earns $57.60 in 8 hours

or 

John earns $90 in 12 hours ?

Solution : 

To compare the given measures, convert them in to unit rates. 

From the above unit rates, John earns more than David per hour. 

Hence, John is earning better

Let us look at the next problem on "Comparing rates worksheet"

Problem 4 :

Who is driving faster,

Alex covers 120 miles in 3 hours

or 

Jose covers 84 miles in 2 hours ?

Solution : 

To compare the given measures, convert them in to unit rates. 

From the above unit rates, Jose covers more miles than David per hour. 

Hence, Jose is driving faster

Let us look at the next problem on "Comparing rates worksheet"

Problem 5 :

Who is better,

Lily can prepare 10.4 gallons of juice in 4 days

or 

Rosy can prepare 7.5 gallons of juice in 3 days ?

Solution : 

To compare the given measures, convert them in to unit rates. 

From the above unit rates, Lily prepares more gallons than day. 

Hence, Lily is better 

Let us look at the next problem on "Comparing rates worksheet"

Problem 6 :

Which is best,

500 grams cheese cost $ 3.25

or 

1.5 kilograms cheese cost $ 9.9

Solution : 

To compare the given measures, convert them in to unit rates in price per kilogram. 

From the above unit rates, we get the lower price per kilogram $6.5 in "500 grams cheese cost $ 3.25"

Hence, "500 grams cheese cost $ 3.25" is the best deal

Let us look at the next problem on "Comparing rates worksheet"

Problem 7 :

Who is driving faster,

Lenin  covers 6 miles in 2 minutes

or 

Daniel covers 225 miles in 1.5 hours ?

Solution : 

To compare the given measures, convert them in to unit rates in distance per hour. 

From the above unit rates, Lenin covers more miles than Daniel per hour. 

Hence, Lenin is driving faster

Let us look at the next problem on "Comparing rates worksheet"

Problem 8 :

Who is better in walking,

  Shanel walks 2/ 5 of a mile every 1/7 hour.  

or 

Declan walks 3/5 of a mile every 2/7 hour ?

Solution : 

To compare the given measures, convert them in to unit rates in miles per hour (speed).

Speed  =  Distance / Time 

From the above unit rates, Shanel walk more miles than Declan per hour. 

Hence, Shanel is better in walking

Let us look at the next problem on "Comparing rates worksheet"

Problem 9 :

Who is better,

 Daniel answered 240 answers correctly out of 300 questions  

or 

Deborah answered 328 questions correctly out of 400 questions ? 

Solution : 

To compare the given measures, convert them in to percentages .

Percent= [no. of correct answers / To tal no. of questions] x 100 % 

From the above percentages, Deborah answered more questions correctly than Daniel per 100. 

Hence, Deborah is better

Let us look at the next problem on "Comparing rates worksheet"

Problem 10 :

Which is best,

Plan A :  Income of $250 on $5000 investment  

or 

Plan B :  Income of $280 on $7000 investment

Solution : 

To compare the given measures, convert them in to percentages of income .

Percent of income  =  [Income / Investment] x 100 % 

From the above percentages, plan A gives more income than plan B per $100 investment.  

Hence, plan A is better

We hope that the students would have understood the stuff given on "Comparing rates worksheet".

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