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7 January, 07:47

A student did 3 5 of his homework and another 8 problems. then his father came and did one fifth of his homework and the remaining 7 problems. how many problems did they solve together?

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  1. 7 January, 09:38
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    Let’s assume the number of problems as P Student did his homework = (3/5) P + 8 Father did the homework = (1/5) P + 7 So the sum of the both equations is equal to P = > (3/5) P + 8 + (1/5) P + 7 = P = > (4/5) P + 15 = P = > 4P + 75 = 5P = > P = 75 Problems they solve together are 75 problems.
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Home » Mathematics » A student did 3 5 of his homework and another 8 problems. then his father came and did one fifth of his homework and the remaining 7 problems. how many problems did they solve together?
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