P6 / Rosyth / 2019 / SA1 / Paper 2 – Q03 [2 marks]

Question:

There were 84 red beads and 57 blue beads in a container. Wendy added an equal number of blue and red beads into it. The ratio of the number of red beads to the number of blue beads became 11 : 8. How many red beads were there in the end?

Solution: