Question

Jennifer's new bike cost $180. Her parents paid 40% of the cost and Jennifer paid the rest. How much did Jennifer pay?

Answer 1

$108

Explanation:

First you need to find what `40%` of `180` is.
To find `10%` of a number you have to move the decimal place back by one.
For example, `10%` of `120.0` would be `12.00 (12).`
Using this technique we find that `10%` of `180` is `18`.

now we times `18` by `4` to create 40% of the cost.

`18 xx 4= 72`

Now minus 72 from 180 (the total cost of the bike).

`180-72= $108`
So , this means Jenny paid $108 for her bike.