P is a function that gives the cost, in dollars, of mailing a letter from the Untied States to Mexico in 2018 based on the weight of the letter in ounces, w. The function is defined by this set of rules:

How much does it cost to send a letter that weighs 1.5 ounces?

go and ask your mom to you

where are the choices?

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.