ratios

Question 1

A Simplify the ratio 25 : 35
B Simplify the ratio 18 : 45
C Simplify the ratio 300 : 25

Answer 1

a 5:7
b 2:5
c 12:1

Question 2

Divide £700 in the ratio 5:3:2

Answer 2

5 = 350
3= 210
2 = 140

Question 3

Alex and Thomas share 30 sweets. They divide them in the ratio 3:2.
How many sweets does Thomas have?

Answer 3

Thomas has 12 sweets

Question 4

Sophie has 60 pencils.
The ratio of sharpened pencils to blunt pencils is 4:1
How many sharpened pencils does Sophie have?

Answer 4

48

Question 5

5. The number of people who voted for the Green Party in an election was 1500. The number of people who voted for the Blue Party was 9000.
   Write the ratio of Green Party voters to Blue Party voters in its simplest form.

Answer 5

1:6

Question 6

A piece of carpet is 240cm long.
Mr Jones cuts it into three pieces in the ratio 1 : 2 : 5
Work out the length of the longest piece of carpet.

Answer 6

1 +2 +5 =8
240 divided 8 =30
30 x 5 = 150
=150

Question 7

Sarah has some chocolates.
24 are white chocolate. 16 are milk chocolate. 8 are dark chocolate.
(a) Write down the ratio of white chocolate to milk chocolate to dark chocolate. Give your ratio in its simplest form.

Answer 7

3:2:1

Question 8

Rachel has some apples and bananas. The ratio of apples to bananas is 2 : 3 She has 14 apples.
(b) Work out how many bananas Rachel has.

Answer 8

=21

Question 9

A what do you do when you simplify a ratio to 1:N

b what do you do when you simplify a ratio to N:1

Answer 9

A the ratio on the left side has to be 1

B the ratio on the right side has to be 1