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3 years ago

Find two mixed numbers so that the sum is seven wholes and two eights and the difference is two wholes and four eigths

Mathematics

1 answer:

Alex_Xolod [135]3 years ago

8 0

Answer:

Step-by-step explanation:

x + y = 7 + 2/8 = 58/8

x - y = 2 + 4/8 = 20/8

Add the equations together

2x = 78/8

x = 39/8

y = x - 20/8 = 19/8

x = 39/8 = 4⅞

y = 19/8 = 2⅜

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