Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by  where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?

A. 63 watches
B. 29 watches
C. 20 watches
D. 31 watches


Answer: B

Mathematics

You might also like to view...

Subtract. Write the answer in lowest terms as a mixed number.

A. 11
B. 12
C. 13
D. 12

Mathematics

Simplify.6 ? 8

A. 96
B. 48
C. 2
D. 96

Mathematics

Find the measure of each marked angle.

A. 64° and 116° B. 62° and 118° C. 62° and 28° D. 60° and 120°

Mathematics

The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.The circle graph shows what percent of the vote each person received.Who got the most votes?

A. Matt B. Jim C. Ann D. Ben

Mathematics