Jordan’s job is located 67 miles from his home. his car’s gas mileage is 21 miles to the gallon. approximately how many gallons of gasoline does jordan need each day?

I think the answer is 6.381 gallons or 3.2?

The number of gallons of gasoline Jordan need each day is:

                            3.190476 gallons.

It is given that:

Jordan’s job is located 67 miles from his home.

His car’s gas mileage is 21 miles to the gallon.

i.e. for 21 miles he need 1 gallon of gas.

This means in order to cover 1 mile he needs 1/21 gallon of gas.

Hence,

In order to cover 67 miles he needs 67/21 gallon of gas

i.e.

for 67 miles he needs 3.190476 gallons of gas.

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.