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GaryK [48]
3 years ago
6

Find two numbers, if Their sum is 3/5 and their difference is 7 1/5

Mathematics
2 answers:
atroni [7]3 years ago
7 0
Set up a system of equations:

x + y = 0.6
x - y = 7.2

You can solve using elimination. Add the two equations together:

2x + 0y = 7.8
2x = 7.8
x = 3.9

Then plug the number back into either of the two original equations to solve for y:

3.9 + y = 0.6
y = -3.3

The two numbers are 3.9 and -3.3
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

3.9 and -3.3

Step-by-step explanation:

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126.

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Each rectangle is a step. We'll start with the top one. This is simple: 6 times 3.

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