Problem solving with algebraic ratios | Exit Quiz | Oak National Academy

Which are of the following are expressions?

The points A, B, C and D are in order on a straight line. AB : BD = 2 : 7, AC : CD = 15 : 3. Find the ratio of AB : BC : CD

The ratio of red to yellow sweets in a bag is 2 : 3. The ratio of hearts to stars in the bag is 3 : 1. What is the probability of picking out a red heart? (Give your answer as a decimal)

The ratio of gravel to water in this fish tank is 1 : 5. What volume of water is in the tank?