deborah0
deborah0 deborah0
  • 08-11-2018
  • Mathematics
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ANSWER BOTH FOR 15 POINTS!!!!

ANSWER BOTH FOR 15 POINTS class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 08-11-2018

y = kx is the formula for direct variation

8 = k*20

divide by 20

8/20 =k

divide by 4

2/5 =k

y = 2/5 x

formula:  y = 2/5x

b)  y=2/5x

y = 2/5 *7

y = 14/5

or as a mixed number 2 4/5

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