In a bag of 72 red and green marbles, 5/9 are green. What is the number of red marbles in the bag?
72 cards5/9 are green = 72/(5/9) = 40 green marbles72 - 40 = 32 red marbles
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Related Maths GCSE answers
All answers ▸Find the value of x which satisfies the following equation 3 x2 + 6 x + 3 = 0
2 5/3 + 2 8/9
A car costs £300. The price is then reduced by 20%. However, the shop increases the new price by 15%. Fadhila says, "20 - 15 = 5, so the original price of the car has been reduced 5%". Is she right? What is the final price of the car?
What is cuberoot(64x1000)?