Question

First increase and then rework each by decreasing

a. 400 by 20%

b. 650 by 30%

c.820 by 45%

d. 150 by 2,5%

e. 300 by 5%

f. 420 by 2,5%

Answer 1

a. 480 Then 384

b. 845 Then 591.5
c. 1,189 Then 653.95
d. 153.75 Then 149.90625
e. 315 Then 299.25

f. 430.5 Then 419.7375