If it takes 42 minutes to load 3 1/2 trucks, how many minutes will it take to load 6 1/2 trucks?

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Given,

We know that it take 42 minutes to load 3 ½ trucks.

Find out how many minutes will it take to load 6 ½ trucks?

We know that to Load 3 ½ trucks in 42 minutes

Then to load 1 truck in 42/3.5 minutes

Simplify, load 1 truck in 12 minutes

Then load 6 ½ trucks in 6.5 X 12 minutes

Simplify Load 6 ½ trucks in 78 minutes

Second,

\[\ \frac{42}{x}=\frac{3.5}{6.5} \]

\[\ x =\frac{6.5}{3.5} \times 42 \]

\[\ x =\frac{6.5}{3.5} \times 42 \]

\[\ x =\frac{13}{7} \times 42 \]

\[\ x = 13 \times 6 \]

\[\ x = 78 Minutes\]

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