You can use friendly percents to find 35% of 80 by writing 35% as 25% + 10%. 25% of 80 is 80 divided by 4, which is 20. 10% of 80 is 80 divided by 10, which is 8. 20 + 8 = 28. So 35% of 80 is 28.
Step-by-step explanation:
I just did the test!!! And plus its a sample answer !!!
Price covered by warranty: 130 x 0.25 = $32.5 Price per repair = $8 Number of repairs available: 32.5 / 8 = 4.0625 Thus, the toaster must break 4 times for the warranty to pay for itself.
