Apencil manufacturer uses 5,376 grams of rubber to make 960 pencils. if they use 64,512 grams of rubber an hour, how many pencils are made per hour?

a) 11,420 pencils per hour
b) 11,480 pencils per hour
c) 11,520 pencils per hour
d) 11,580 pencils per hour

For this case, we look for the number of pencils per gram of rubber.

0.178571428571 pencils per gram of rubber are made

We are looking for the number of pencils per hour.

Thus, 11,520 pencils per hour are made.

Option C

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.