Answer:
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Step-by-step explanation:
Answer:
x = 45 when y = 20 and z = 6
Step-by-step explanation:
The general formula here is y = kx/z²
If x = 24 and y = 6, z = 8, so:
y = kx/z² becomes 6 = k(24)/8², and:
6 1
k = ---------------- = -------------- = 16
24/64 4/64
Then y = 16x/z², and so, if y = 20 and z = 6 (check this!), then:
20 = 16x/36, or 16x = 720, or x = 45
x = 45 when y = 20 and z = 6
Multiply 8 by x and 8 times 2 you should get 8x+16. Divide 8x by 8 and divide 16 by 8. Leaving x=2
The answer is 3.5 + 1.5x = 12.5. So the answer would be C.
The answer is 66..................................................
