Answer:
Steve is 5
Step-by-step explanation:
Steves sister is 25, she is 5 years more than 4 times steve is.
5 * 4 = 20 and the sister is 5 years older so,
I don't know if this will help but the 2 on the right are not parallelograms there
"3d"
burgers =x
hot dogs = x+3
x+x+3=15
2x+3=15
sub 3 from each side
2x=12
divide each side by 2
x=6
6 hamburgers
9 hamburgers