Hermie can open presents at a rate of three presents every two minutes. Rudolph can open presents at a rate of two presents every five minutes. If they work together, how many minutes will it take them to open 133 presents?

Step-by-step explanation:

If they both work together, they open 1.9 presents per minute.

Hence 133 / 1.9 = 70 minutes.

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.