Answer:
7) $57.2 (Multiply 65 by 0.12. You get $7.8. Finally, subtract 7.8 from 65.)
8) $20 (Multiply 29.99 by 0.3333. Subtract 9.99 from 29)
9) $35.7 (Do the same steps as above)
10) $276.675 (Do the same steps as above)
11) The decimal form of 57% is 0.57
12) cost= c×0.57
13) $70.65
14) $25.65 was added
