Question

153 is 0.9% of what number tell which equivalent ratios are used to find a solution

Answer 1

0.9% / 100% = 0.009

= 9/1000

equivalent ratio:

9/1000 = 153/x

cross multiply

9x = 153,000

x = 153,000/9

x = 17,000

153/17,000 = 0.009