Question

What is the minimum amount of money that Reggie needs to make on friday to average $160 per day?

Answer 1

Let y represent the minimum amount of money Reggie needs to make to average $160 per day

The average is given as

`\frac{145\text{ + 210+50+205+y}}{5}\text{ = 160}`
`\begin{gathered} (610+y)/(5)\text{ = 160} \\ \\ 610+y=\text{ 5(160)} \\ 610+y=800 \\ y=\text{ 800-610} \\ y=190 \end{gathered}`

The correct answer is $190