The product of w and 3
2 answers:
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Answer:
B
Step-by-step explanation:
Since p and v vary inversely then the equation relating them is
p = ← k is the constant of variation
to find k use the condition p = 8 when v = 40
k = pv = 8 × 40 = 320
⇒ p(v) = → B
The simplest way to do this is to set up equivalent fractions. So, you'd do:
= 
and then solve for x.
x=52
x=52