Question

A storage gives every 42nd customer a $42 gift certificate.Every 30th customer gets a $30 gift certificate. What number customer will be the first to receive both types of gift certificates?

Answer 1

The answer would be customer 72, since the sum of the numbers 30 and 42 would equal 72. So customer 72 would receive both gift certificates.

Answer 2

The 72 customer because 42+30=72