Originally Posted by

**Natasha1** Please help with this problem

**There are 20 coins in Sam's money box.**

There are n 50p coins and the rest are 10p coins.

1) Write down in terms of n the value of all the 50p coins

I put 50n

2) Write down in terms of n the value of all the 10p coins

Not too sure? Is it 50n + 10????

3) Write down in terms of n the value of all 20 coins.

Not too sure?

4) Write down in terms of n the number of 10p coins in Sam's money box?

I put 20 - 50n is this correct?

5) The total of all coins in Sam's money box is £5.20

Write down an equation to express this information and solve it to find the value of n?

6) Hence fidn the total of the 10p coins in Sam's money box?