Answer:
A
Step-by-step explanation:
x. y = 28
check attachment
since we do not know how many adults are, set up the equation like this:
4/5=20/<em>x</em>
then, you would cross multiply and get
4<em>x</em>=100
Divide four on both sides, and you have
<em>x</em>=25
A. M=16x
B. T=20x+480
C. 580=20x+480
100=20x
x=5