Question

Amy babysat 5 nights during the month of April. She earned $40, $30, $32, and $45 for four nights. How much did she earn the fifth time if the mean of the data is $37?

Answer 1

$38

Explanation:

`(40 + 30 + 32 + 45 + x)/(5) = 37`

`(147 + x)/(5) = 37`

`147 + x = 185`

`x = 38`