Brad earns $200 a month selling ice cream, and makes an additional $12 for every milkshake he sells. If he made $344 last month, how many milkshakes did he sell?
We can solve this problem using algebra to write and solve an equation.
Define the variable first:
Let the number of milkshakes be
income from milkshakes:
He makes $12 for each of x milkshakes =
He is paid $200 per month for working,
Total income =