1) A recipe calls for 50g butter, 150 g sugar and 250 g flour. What is the ratio in its simplest form? a) 1 : 2 : 3 b) 1 : 3 : 5 c) 5 : 10 : 20 d) 5 : 15 : 20 2) A builder lays black and white tiles in a ratio of 2 : 3   If he uses 30 black tiles how many whites tiles does he use? a) 32 b) 35 c) 42 d) 45 3) Helen takes the train and then a bus to get to work. The ratio of train to bus cost is 5 : 3  If the bus fare costs £4.20 how much does her entire journey cost? a) £7.00 b) £11.20 c) £12.00 d) £12.40 4) Sally and Jen share 450 grams of chocolate in a ratio of 7 : 2   How much chocolate does Jen get? a) 300 g b) 310 g c) 320 g d) 350 g 5) A builder could get 6 sheets of plywood for £10. If he bought 15 sheets, how much money would he have spent? a) £10 b) £15 c) £20 d) £25

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