831 × 36 and 4 / 5 × 63.2 × 831 (simple calculation) 1 / 4 x-0.9 = 2.5 × 3

831 × 36 and 4 / 5 × 63.2 × 831 (simple calculation) 1 / 4 x-0.9 = 2.5 × 3

831 × 36 and 4 / 5 × 63.2 × 831
=831×（36.8+63.2）
=831×100
=83100
1 / 4 x-0.9 = 2.5 × 3
1/4x=7.5+0.9
1/4x=8.4
x=33.6

Four fifths of a number is 20% of 36. What's the number?

36×20%÷（4/5）
＝7.2÷（4/5）
＝9
The number is 9

Two fifths of a number is 36, so this number is. Urgent

Two fifths of a number is 36. The number is 90

Two fifths of a number is 36 less than 75% of the number?

Let this number be x, 75% x-two fifths x = 36, then x = 180, this number is 180