Question

Find the sum of 15% of 75 and 5% of 75 is it equals to 20% of 75

Answer 1

15/100×75=11.25

5/100×75=3.75

11.25+3 75=15

20/100×75=15

therefore sum of 15%of 75 and 5%of 75 is equal to 20%of 75

Answer 2

15%×75+5%×75=20%×75

15/100×75+5/100×75=20/100×75

45/4+15/4=15

45+15÷4=15

60/4=15

15=15