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ioda
4 years ago
9

If D varies directly as s and D = 140, when S=35 find the relationship between D and S​

Mathematics
1 answer:
Olin [163]4 years ago
3 0

Answer:

D = 4s

Step-by-step explanation:

Given that D varies directly as s then the equation relating them is

D = ks ← k is the constant of variation

To find k use the condition D = 140 when s = 35

k = \frac{D}{s} = \frac{140}{35} = 4

D = 4s ← equation of variation

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