Question

Complete the sentence: “81 is 90% of…”

Answer 1

81 is 90% of 90.

Explanation:

90% = 0.9 as a decimal fraction.

To get the number of which 81 is 90% we divide by 0.9:

81 / 0.9 = 90.

Answer 2

Answer: 81 is 90% of 90

Explanation:

81 is 90% of "X"

Equation: Y = (Percent) (X)

X = Y ÷ Percent

X = 81 ÷ 90%

Converting percent to decimal:

Percent = 90% ÷ 100 = 0.9

X = 81 ÷ 0.9

X = 90

Therefore, 81 is 90% of 90.