Question 1 :
A skydiver falls 144 feet in three seconds. How far does the skydiver fall per second?
Question 2 :
A pump moves 42 gallons in seven minutes. Find the unit rate.
Question 3 :
You score 84 points in six games. How much do you score per game?
Question 4 :
Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.
Question 5 :
Maria walks 12 miles in 3 hours. How many miles does she walk per hour?
Question 6 :
My car uses 18 L of petrol every 261 km. The rate of petrol consumption is ...... km per litre.
1. Answer :
After he fell down,
Distance covered in 3 seconds = 144 feet
Distance covered 1 second = 144/3
= 48
Distance covered by him in 1 second is 48 feet.
2. Answer :
6 games = 84 points
1 game = 84/6
= 14
I will score 14 points per game.
3. Answer :
Steve covers the distance 78 miles on 3 gallons of gas.
Distance covered by Steve using 1 gallon of gas
= 78/3
= 26
So, he will cover 26 miles using 1 gallon of gas.
4. Answer :
Distance covered by Maria in 3 hours = 12 miles
Distance covered by her in 1 hour = 12/3
= 4 miles
She walks 4 miles per hour.
5. Answer :
1 bag of pretzels = $3
5 bags of pretzels = $10
By calculating the cost of 1 bag of pretzels from the second statement, we get
= 10/5
= $2
The second deal has lower unit price.
6. Answer :
Petrol consumption for 261 km = 18 L
That is,
18 L is used to cover 261 km
1 liter petrol is used to cover how much distance.
= 261/18
= 14.5 km
1 liter petrol is used to travel 14.5 km
So, the rate of petrol consumption is 14.5 km per liter.
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