Find two numbers, if … c Their sum is 3/5 and their difference is 7 1/5
1 answer:
Answer:
39/10 and - 33/10.
Step-by-step explanation:
7 1/5 = 36/5 so if the 2 numbers are x and y, we have:
x + y = 3/5
x - y = 36/5
Adding the 2 equations to eliminate y:
2x = 39/5
x = 39/10.
So 39/10 + y = 3/5 (from the first equation).
y = 3/5 - 39/10
y = 6/10 - 39/10
y = -33/10.
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4/7 is the simplest form
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