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which 2 number have the mean of 10 and range of 4

Sagot :

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Answer:

12 and 8

Step-by-step explanation:

→ Set up two equations

x - y = 4

[tex]\frac{x+y}{2} =10 \\ \\x + y = 20[/tex]

→ Add the 2 equations together

2x = 24

→ Solve for x

x = 12

→ Substitute into original equation

12 - y = 4

→ Solve

y = 8

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