First you find how many prizes were dolls. Then you subtract that number from 64.
Answer:
Step-by-step explanation:

The LCD of 11/20 and 31/45 is 180
20 40 60 80 100 120 140 160 180
45 90 135 180
-7y+3 is the answer that you are looking for
For part A :draw 5 separate rectangles, then draw 4 sections in each separate rectangle. Finally, shade in one of the the four pieces in each of the 5 rectangles.
For part B : Jareld wants to give his 5 candy bars with his friends. Each friend wants to get 1/4 of a candy bar. How many people will share the 5 candy bars using the facts provided?
For part C : (So whenever you do division between any type of fraction,whole number or mixed number) you do the strategy keep change flip where first you keep the fraction 5/1 which equals 5 as a whole number. Then you change the division symbol in the provided equation to a multiplication symbol (x). Then you flip the fraction 1/4 to 4/1. Then you plug in all of the numbers into your new and improved statement. 5/1 * 4/1=y. Y=20
Answer: 20 people