Challenge Problems

Question 1
A bucket holds 4 quarts of popcorn. If 1/3 cup of corn
kernels makes 2 quarts of popcorn, how many
buckets can be filled with the popcorn made from 4
cups of kernels?
Question 2
A recipe for making 10 loaves of bread requires 24
cups of flour and 4 tablespoons of baking powder. If
the proportions in this recipe are to be used to make 3
loaves of bread, how many cups of flour will be
needed? (Do not round your answer)
A) 72
B) 2.7
C) 30
D) 7.2
Question 3
The ratio of j to k to l to m to p is 5 to 4 to 3 to 2
to 1. If j = 60, what is the value of m?
A) 8
B) 12
C) 24
D) 55
E) 57
Question 4
Five of the 12 members of a club are girls and
the rest are boys. What is the ratio of boys to
girls in the club?(Grid your ratio as a fraction)
Question 5
The ratio of 1.5 to 32 is the same as the ratio of
0.15 to x. What is the value of x?
Question 6
In a class of 55 students, the ratio of 55 boys to
girls is 4 : 7.
How may girls need to join the class for the
ratios of boys to girls to become 1 : 2?
Question 7
The ratio of apples to oranges is 5 : 8.
When 15 apples are taken away from the group,
that ratio becomes 1 : 4.
How much fruit do I have after taking away the
15 apples?