(2x+5y=60)
- (2x-5y=-20)
-------------------
10y=80
y=8
2x+5(8)=60
2x+40=60
2x=20
x=10
He should be able to travel 322 miles. It would cost him $33.235 rounded up to $33.24.
Answer:
She should have multiplied by 4, not divided
Step-by-step explanation:
Given
- 11 = 13 ( add 11 to both sides ) ← correct
= 24 ( multiply both sides by 4 to clear the fraction )
H = 4 × 24 = 96
H is divided by 4, thus the inverse operation is to multiply