Question

it takes 4 comeplete turn of a clank to raise a window 2 inch at this rate how many turn does it take to raise the same window 3 1/2inches

Answer 1

4 complete turns of crank raise window 2 inches
therefore window is raised 1 inch by 4/2 turns of crank.
Window will be raised 3 1/2 inches by 4/2 * 3 1/2 turns of the crank.

Answer 2

wats the answer

Answer 3

my is 3.5

Answer 4

Window will be raised 3 1/2 inches by the following number of turns of the crank:
\[Turns=\frac{4}{2}\times 3\frac{1}{2}=\frac{4}{2}\times \frac{7}{2}=\frac{28}{4}=?turns\]

Answer 5

7

Answer 6

Good work :) The correct answer is 7 complete turns of the crank.

Answer 7

thanks

Answer 8

You're welcome :)