2 just divide 6 and 3 give you 2 now 2 x 4 give you 8 8 kilograms is 4 hours
Answer:
a) x = -1 and y = -10
Step-by-step explanation:
The first part says find the value of y when the value of x is -3. Then the second part of the question is to find the value of x when the value of y is 2.
so lets solve part a)
![y=6x+8\\y=6(-3)+8\\y=-18+8\\y=-10\\\\Now\ when\ y=2\ find\ x\ \\y=6x+8\\2=6x+8\\2-8=6x\\-6=6x\\-6/6=x\\-1=x\\](https://tex.z-dn.net/?f=y%3D6x%2B8%5C%5Cy%3D6%28-3%29%2B8%5C%5Cy%3D-18%2B8%5C%5Cy%3D-10%5C%5C%5C%5CNow%5C%20when%5C%20y%3D2%5C%20find%5C%20x%5C%20%5C%5Cy%3D6x%2B8%5C%5C2%3D6x%2B8%5C%5C2-8%3D6x%5C%5C-6%3D6x%5C%5C-6%2F6%3Dx%5C%5C-1%3Dx%5C%5C)
So answer to part a is x = -1 and y = -10
similarly try the other parts.
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8 * 2.15 + (0.15 * 520.0) = Tom's Pay
8 * 2.50 + (0.12 * 520) = Martin's Pay