Question

Please give me the method also ! Please please please ( question - 1 - Find the percent reduction)

Answer 1

see in first part

40 is the original

so when we find percentage we do it as

(old value-new value)/old value * 100

here

(40-32)/40 *100=20%

Answer 2

i) 42-32/42×100 this is % reduction
ii) 6-5.4/6×100 this is % reduction
iii) 12-10/12×100 this is % reduction