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

0+3⋅c>250

50+3⋅c−50>250−50

3⋅c>200

3⋅c3>2003

c>66.7

so 67 sales rouned

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.