**Question**

17)

There are some small cubes and some large cubes in a bag.

The cubes are red or the cubes are yellow.

The ratio of the number of small cubes to the number of large cubes is 4 : 7

The ratio of the number of red cubes to the number of yellow cubes is 3 : 5

a) Explain why the least possible number of cubes in the bag is 88

There are some small cubes and some large cubes in a bag.

The cubes are red or the cubes are yellow.

The ratio of the number of small cubes to the number of large cubes is 4 : 7

The ratio of the number of red cubes to the number of yellow cubes is 3 : 5

a) Explain why the least possible number of cubes in the bag is 88

**[1 mark]**

All the small cubes are yellow.

b) Work out the least possible number of large yellow cubes in the bag.

**[3 marks]**