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Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 4 : 3 : 1 by weight. Henry needs to make 120kg of concrete. He has 55kg of cement, 45kg of sand and 15kg of gravel. Which ingredient is Henry short of? |
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Answer» Let the QUANTITIES of the ingredients are 4x,3x and xso the SUM of ingredients is 8xso 8x=120x=154x=603x=45so we can clearly SEE that HENRY is short of CEMENT |
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