Question

The ratio of red counters to blue counters is 1:3 how many more red counters do you need to add to make the ratio of red to blue 3:1

Answer 1

Answer:

Nine times the present number of red counters

Step-by-step explanation:

Red : Blue = 1:3

If red counters are multiplied by 9 the radio becomes

Red: Blue= 9:3  = 3:1