Question

What is 70% of 900
Pls answer quickly

Answer 1

630

Explanation:

10% of 900 is 90 (900÷10)

20% of 900 is 180 (90×2) - basically the 10% times 2

50% of 900 is 450 (900÷2)

450+180=630 - the sum of the 20% and 50%