50
For the equation 80% of what number equals 40, the unknown number is 50.
40 is 80% of 50
50% of 80= 50% * 80= 0.5 * 80= 4050percent of 80 is equal to 40
50 is what percent of 160:= 50 / 160= 0.3125Converting decimal to a percentage:0.3125 * 100 = 31.25%
50 from 80 is 100*50/80 = 62.5%
The increase is 60%
Express percent as decimal: 50% = 50/100 = 0.50 and 80% = 80/100 = .80 so .5o times .80 = .40 = 40%
50% of 80 = 40 because 50% = 0.5 0.5 x 80 = 40 or you can divide 40 by 0.5 40/0.5 = 80
62.5 percent of 80 is 50.
50% of £80 = £40 = 50% * £80 = 50%/100% * £80 = £40
40 is 80% of 50.