Question

What is the decimal for 20%

Answer 1

To write 20% as decimal we must

1.- Write 20% as a fraction

`\text{ 20\% = }(20)/(100)`

2.- Simplify

`\text{ }(20)/(100)\text{ = }(10)/(50)\text{ = }(5)/(25)\text{ = }(1)/(5)`

Second question

20 questions -------------------- 100%

15 questons ----------------------- x

x = (15 x 100) / 20

x = 75%