Se considera numerele rationale a, b,c, d direct proportionale cu 5,4,2,3.Stiind ca bc=4d, determinati multimea divizorilor numarului a+b+c+d.

21

step-by-step explanation:

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

a

step-by-step explanation: