A carpenter cut a 6 ½-ft. board into 3/4-ft. sections. What is the number of whole sections he cut?
1 answer:
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Answer:
see explanation
Step-by-step explanation:
Given that y varies inversely as x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition y = 5 , x = 21
k = yx = 5 × 21 = 105
y = ← equation of variation
When x = 10, then
y = = 10.5