16-02-2019
Mathematics

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If 9a + 9b + 9c = 59a+9b+9c=5 ,

what is 72a + 72b + 72c72a+72b+72c?

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wegnerkolmp2741o wegnerkolmp2741o

16-02-2019

Answer:

40

Step-by-step explanation:

9a + 9b + 9c = 5

Multiply the equation by 8

8*(9a + 9b + 9c )= 5*8

Distribute

72a +72b +72 c = 40

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