Question

An inspector found 60 defective switches during an inspection. If this is 0.02% of the total number of switches inspected, how many switches were inspected?

Answer 1

30

Explanation:

Write the problem as a mathematical expression.

600.02%600.02%

Convert the percentage to a fraction by placing the expression over 100100. Percentage means 'out of 100100'.

600.02100600.02100

Convert to a decimal.

30

30 detective per of

correct me if I'm wrong