Bloxxer
Bloxxer Bloxxer
  • 08-12-2016
  • Mathematics
contestada

y varies directly with x, and y = 5 when x = 4. What is the value of x when y = 8?

Please help

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HyperDrive
HyperDrive HyperDrive
  • 08-12-2016
x - y

4 - 5 = -1

The difference between x and y is -1.

8 - 1 = 7

The answer for when y = 8, x = 7.
Answer Link
Aliwohaish12
Aliwohaish12 Aliwohaish12
  • 08-12-2016
y = kx,,5=4k,,k=5/4,,8=(5/4)x,,x=6.4
Answer Link

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