Answer:
y¹⁵-20y¹⁴
Step-by-step explanation:
I'm going to assume that your problem looks like this


which means we have

A+b+c=28x+40=180
—>28x=140
—>x=140/28=5
c=9x-3
—>c=42
57/7=8.14 so Carols ran 1 mile in 8.14 minutes
3*4=12 so June can run 1 mile in 12 minutes
Answer:
35-7x
Step-by-step explanation:
Multiply parenthesis by -7