Question

Yoku is putting on sunscreen. He uses 2\text{ ml}2 ml2, start text, space, m, l, end text to cover 50\text{ cm}^250 cm 2 50, start text, space, c, m, end text, squared of his skin. He wants to know how many milliliters of sunscreen (c)(c)left parenthesis, c, right parenthesis he needs to cover 325\text{ cm}^2325 cm 2 325, start text, space, c, m, end text, squared of his skin. How many milliliters of sunscreen does Yoku need to cover 325 \text{ cm}^2325 cm 2 325, start text, space, c, m, end text, squared of his skin?

Answer 1

13 is the answer!!!

Explanation:

Answer 2

13 Millilitres.

Explanation:

Yoku uses 2ml to cover
`50cm^2` of his skin.

He wants to know how many millilitres of sunscreen he will need to cover
`325cm^2` of his body.

If Yoku covers
`50cm^2` of his skin will 2ml

He will cover
`1cm^2` of his skin with
`(2)/(50)ml` of sunscreen.

Therefore:

To cover
`325cm^2` of his body, he will use:

`(2)/(50) X 325 ml\\=13ml`

he would require 13 Millilitres.