the number of customers waiting inside a restaurant was 2 less than a third of those waiting inside. if three customers were waiting inside how many were outside

15 customers were outside

Step-by-step explanation:

Represent customers inside with x and customers outside with y.

So, we have:

--- First Statement

--- Second Statement

Required

Find y

Substitute 3 for x in

Add 2 to both sides

Multiply both sides by 3

Hence; 15 customers were outside

step-by-step explanation: