Question

A number M when decreased by 12% becomes 220. Find the value of M.​

Answer 1

Answer:

New value =

220 - Percentage decrease =

220 - (12% × 220) =

220 - 12% × 220 =

(1 - 12%) × 220 =

(100% - 12%) × 220 =

88% × 220 =

88 ÷ 100 × 220 =

88 × 220 ÷ 100 =

19,360 ÷ 100 =

193.6

Calculate absolute change (actual difference)

Absolute change (actual difference) =

New value - 220 =

193.6 - 220 =

- 26.4

Answer 2

Answer:

M = 250

Step-by-step explanation:

M - 12% of M =220

M -12M/100 =220

(100M - 12M)/100 = 220

88M = 220*100

M = 22000/88

M = 250