Answer:
it would be $1800
Step-by-step explanation:
if each hoop costs $600, and they buy 3, 600 x 3 = 1800
1800
600 * 3 = 1800
multiply 1/4 times 3 equal 3/4 or 0
400/1000×100%
40% is the percent of decrease from 1,000 to 400.