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If x varies inversely with v, and x=35 when v=3, find x when v=21

User Noman Ali
by
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1 Answer

4 votes

Answer: 5

Explanation:

From the question, we are informed that "x varies inversely with v". This means that

x = k/v

where,

k is a constant

We have to find k when x=35 when v=3

x = k/v

35 = k/3

k = 35 × 3

k = 105

Therefore when v = 21, x will be:

x = k/v

x = 105/21

x = 5

User Steffo Dimfelt
by
3.3k points