Question

The distance from Cherotich's home to school is

2km 400m. He goes to school in the morning
and returns in the evening daily. What distance
does he cover from Monday to Friday?

Answer 1

24 kilometers

Explanation:

Given

Represent the distance with x

`x = 2km\ 400m`

Required

The distance covered for 5 days (i.e. Monday to Friday)

First, we calculate the distance covered in a day

He covers the same distance when going to school and when coming back from school.

So, the daily distance is:

`Daily = 2 * x`

`Daily = 2 * (2km\ 400m)`

`Daily = 4km\ 800m`

In 5 days, he covers:

`5\ days = 5 * Daily`

`5\ days = 5 * (4km\ 800m)`

`5\ days = 5 * (4km+ 800m)`

Open bracket

`5\ days = 5 * 4km+ 5 * 800m`

`5\ days = 20km+ 4000m`

Convert m to km

`5\ days = 20km+ 4km`

`5\ days = 24km`