Question

Last summer Ben purchased materials to build model airplanes and then sold the finished models. He sold

each model for the same amount of money. The table below shows the relationship between the number of
model airplanes sold and the running total of Ben's profit.

Ben's Model Airplane Sales

-Model
Airplanes
Sold
12
15
20
22

-Total Profit
$68
$140
$260
$308

A. Write a linear equation, in slope-intercept form, to represent the amount of Ben's total profit (v)
based on the number of model airplanes (x) he sold.

B. How much did Ben spend on his model-building materials?

Answer 1

Answer: 12,15,20,22 was his total profit.

Explanation: