Beneath each of the word problems below is a purpose statement that is either missing information or includes unnecessary information. Write an improved version of each purpose statement beneath the original.

1 **Word Problem:** *The New York City ferry costs $2.75 per ride. The Earth School requires two chaperones for any field trip. Write a function fare that takes in the number of students in the class and returns the total fare for the students and chaperones.*

**Purpose Statement:** Define a function `fare`

to take in the number of students and add 2.

**Improved Purpose Statement:**

2 **Word Problem:** *It is tradition for the Green Machines to go to Humpy Dumpty’s for ice cream with their families after their soccer games. Write a function cones to take in the number of kids and calculate the total bill for the team, assuming that each kid brings two family members and cones cost $1.25.*

**Purpose Statement:** Define a function `cones`

to take in the number of kids on the team and multiply it by 1.25.

**Improved Purpose Statement:**

3 **Word Problem:** *The cost of renting an ebike is $3 plus an additional $0.12 per minute. Write a function ebike that will calculate the cost of a ride, given the number of minutes ridden.*

**Purpose Statement:** Define a function `ebike`

to take in the number of minutes and multiply it by 3.12.

**Improved Purpose Statement:**

4 **Word Problem:** *Suleika is a skilled house painter at only age 21. She has painted hundreds of rooms and can paint about 175 square feet an hour. Write a function paint that takes in the number of square feet of the job and calculates how many hours it will take her.*

**Purpose Statement:** Define a function `paint`

to take in the number of square feet of walls in a house and divide them by 175 to calculate the number of hours that it will take 21 year-old Suleika to complete the paint job.

**Improved Purpose Statement:**

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