# Diane owes $232.20 for a gown for a special occasion. She pay for the gown in #4 1/12# months. What will her monthly payment be? What is her last payment?

##### 2 Answers

There is not really enough information to answer this with confidence.

Monthly payment

Last payment

#### Explanation:

Making assumptions about the distribution of payment values.

There will be other ways of doing this.

The use of 'unit payment' is just a trick to solve this problem type. It is a (constant of proportionallity) way of measuring the distribution of payment. Nothing else!

So

=>1 unit payment

There are 12 units of payments in 1 month

So we have 3 months at

This gives a total payment at the end of 3 months of

So the payment for the last month is:

An interpretation of the question that is different to my first one.

4 payments at $56.86 to 2 decimal places

Last payment at $4.74 to 2 decimal places

#### Explanation:

You should read through my other solution first to see where the numbers come from.

There are 5 payments

So

=>1 unit payment

There are 12 units of payments in 1 month

4 payments at

Closing payment at