I would assume it would take 3.5 hours to mow the lawn together.
$4,200 / .12 =$35,000 her salary this year.
$35,000 - $3,000=$32,000 Her salary last year.
An equation representing this would look something like this:
S=(C/I) - R, where, S=her salary last year, C=amount of her savings, I= rate of her savings, R=salary increase.
Answer:
x= 8 Step-by-step explanation: