Answer:
24.
hours 2 5 9 14
Cost 500 1250 2250 3500
25.
| x-65 | - 4x
Explanation:
y= kx
or, 1250= 5k
k= 250
x = y/k = 500/250 = 2
y = kx = 9 ×250 = 2250
x = y/k = 3500/250 = 14
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