Question

MIke works for $12 an hour. A total of 15% of his salary is deducted for taxes and insurance. He is trying to save $700 for a new bicycle write an equation to help determine how many hours he must work to take home $700 if he saves all of his earnings?

Answer 1

69 hr 
12 - 15 % = 10.2
700 / 10.2 = 68.62 round up 69 check 
12*69 = 828
828 / 100 =8.28       8.28 = 1%
8.28 * 15 = $124.20 
828 - 124.2 = 703.8

Answer 2

12 minus 15% is 10.20 so you have $2.80 per hour so 2.80 per hour times 250 hours gives you $700