How would you solve this?
Spencer has $12.00. He earns $7.00 an hour mowing lawns. The equation below can be used to determine how much money in dollars (d) Spencer will have after any number of hours mowing lawns (h).

d = 7h + 12

a. After how many hours will Spencer have $75.00?

Question

How would you solve this?
Spencer has $12.00.  He earns $7.00 an hour mowing lawns.  The equation below can be used to determine how much money in dollars (d) Spencer will have after any number of hours mowing lawns (h).

d = 7h + 12

a.  After how many hours will Spencer have $75.00?

wmj259 · Answer

So set the equation equal to $75.00 and solve for x.

wmj259 · Answer

7h+12=75
7h=63
h=9