Answer:
( a − 1 + b )( a − 1 − b )
.
(a−1+b)(a-1−b)
Step-by-step explanation:
$0.45
354.9/9.1=39
So. elaine averaged 39 miles per gallon
Let x be the price. 20% (0.20) 7.25% (0.0725)
