Question

The shop sells bags of 40 marbles.
One bag has marbles in the ratio red : blue : green = 1 : 3 : 4.
(i) Calculate the number of marbles of each colour.

Answer 1

Answer:

Red: 5

Blue: 15

Green: 20

Step-by-step explanation:

Add the ratios together which gives u a total of 8 (1+3+4).

Divide 40 by 8 = 5. That means that every 1 ration is worth 5.