Ratios

Question 1

Working out ratios

Answer 1

The ratio of water to squash is 5:1

The fraction of squash is 1/6 and the fraction of water is 5/6

Eg if you have 150ml of squash how much water would you need?
1 x 150 ml = amount of squash
5 x 150 ml = amount of water
So 750 ml of water 
total amount is 900 ml

Question 2

Simplifying ratios

Answer 2

Eg 40cm:2m (make units the same)

40cm:200cm

However many times lower number goes into bigger number is the ratio.

1:5

Question 3

Ratios written as 1: something

Answer 3

12:20 make this in the 1:n

Divide the first number to get to 1/12 = 1
then divide second number by first number,

Then round off.