First, you'd have to turn the fraction into a decimal.You would divide the numerator by the denominator. 7/8=0.875
Now, you turn the decimal to a percent.
You move the decimal point two places to the right.
087.5
87.5% would be your answer.
Total is $288 with 6 equal payments
288/6 = $48 per payment
5.47 is the square root of 30.
28 times 1/7 would give you 4