Question 201834
1.28x+.48(x+6)=16.96
1.28x+.48x+2.88=16.96
1.76x=16.96-2.88
1.76x=14.08
x=14.08/1.76
x=8 is the number of times he mowed the lawn.
Proof:
1.28*8+.48(8+6)=16.96
10.24+.48*14=16.96
10.24+6.72=16.96
16.96=16.96