Your city is having a sneaker convention! A pair of Ground Morgans is 20% less expensive than a pair of Elite Butterflies, Elite Butterflies are 30% more expensive than Cloud Trainers, and Cloud Trainers are 50% less expensive than Floating Jumps. What percent of the cost of a pair of Floating Jumps is a pair of Ground Morgans?

Ground Morgans are 52% the price of Floating Jumps.

Step-by-step explanation:

A pair of Ground Morgans is 20% less expensive than a pair of Elite Butterflies , this means

(GM is 80% the price of EB's)

Elite Butterflies are 30% more expensive than Cloud Trainers 's, this means

(EM's is 130% the price of CT's)

Cloud Trainers are 50% less expensive than Floating Jumps , this means

(CT is 50% the price of FJ)

Now, if we want the price of Ground Morgans in terms of Floating Jumps, then, since EB = 1.3 CT,

and since CT = 0.5F, we have

.

Simplifying we get

Ground Morgans are 52% the price of Floating Jumps.

a is the correct