Question

A bottle contains 255 coins.

1/3 of the coins are £1 coins.
110 of the coins are 50p coins.
The rest of the coins are 20p coins.
Work out the total value of the coins contained in the bottle.

Answer 1

152£

Explanation:

1. 1/3 of the coins is 255/3=85 85coins is worth 1£

2. 110 of the coins are worth 50p

3. to figure out hos many 20p coins

total number of coins - number of 1£ coins - number of 50p coins

255-85-110=60

60 of the coins are worth 20p

4 add everything togheter

85£ from first

110/2=55£ from second

60 coins are worth 20p

5 coins make 1£

60/5=12£

5. add everything 85+55+12=152£