Question

At your job, you are paid $50 per week plus $3 per sale. At least how many sales do you need to make in order to have over $250

Answer 1

0+3⋅c>250

50+3⋅c−50>250−50

3⋅c>200

3⋅c3>2003

c>66.7

so 67 sales rouned