Percentage Problems on SAT :
Worksheet given in this section is much useful to the students who would like to practice solving percentage problems on SAT.
Question 1 :
Ales got 60% of the questions correct on a 60-question test and 80% on a 80-question test. What percent of all questions did Jacob get correct ?
Question 2 :
This year, the chickens on a farm laid 30% less eggs than they did last year. If they had laid 3500 eggs this year, how many eggs did they lay last year ?
Question 3 :
Miguel is following a recipe for marinara sauce that requires half a tablespoon of vinegar. If one cup is equivalent to 16 tablespoons, approximately what percent of a cup of vinegar is the amount by the recipe ?
Question 4 :
The discount price of a book is 20% less than the retail price. Alex manages to purchase the book at 30% off the discount price at a special book sale. What percent of the retail price did Alex pay ?
Question 5 :
Each day, Jacob eats 40% of the pistachios left in his jar at that time. At the end of the second day, 27 pistachios remain. How many pistachios were in the jar at the start of the first day ?
Question 6 :
Lily buys a doll at a 10 percent discount off the original price of $105.82. However she has to pay a sales tax of x% on the discounted price. If the total amount she pays for the doll is $100, then find the value of x.
Question 7 :
Over a two week span, James ate 20 pounds of chicken wings and 15 pounds of hot dogs. Anderson ate 20 percent more chicken wings 40 percent more hot dogs. Considering only chicken wings and hot dogs, what percent of food did Anderson eat more than James, by weight (rounded to the nearest percent).
Question 8 :
William is playing a board game in which he has to collect as many cards as possible. On his first turn, he loses 18 percent of his cards. On the second turn, he increases his card count by 36 percent. If his final card count after these two turns is n, which of the following represents his starting card count in terms of n ?
A) n / [(1.18)(0.64)]
C) n / [(1.36)(0.82)]
Question 9 :
Due to deforestation, researchers expect the deer population to decline by 6 percent every year. if the current deer population is 12,000, then, find the approximate expected population size 10 years from now (rounded to the nearest tens).
Question 10 :
A small clothing store sells 3 different types of accessories. 20% are scarves, 60% are ties and the other 40 accessories are belts. If half of the ties are replaced with scarves, how many scarves will the store have ?
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