Problem

QUESTION 3
Use a proportion to solve the problem.
If a spring stretches 6 meters when a 7-kilogram weight is attached to it, how much will it stretch when a 42-kilogram weight is attached to it?
\( 35 \mathrm{~m} \)
\( 39 \mathrm{~m} \)
\( 38 \mathrm{~m} \)
\( 36 m \)

Answer

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Answer

\( x = 36 \)

Steps

Step 1 ：\( \frac{6}{7} = \frac{x}{42} \)

Step 2 ：\( x = \frac{6 \times 42}{7} \)

Step 3 ：\( x = 36 \)

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