faireecokorie faireecokorie

07-11-2016
Mathematics

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The load l, in pounds, of a wheelbarrow is the sum of its own 42-lb weight and weight of the bricks that it carries

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Edufirst Edufirst

15-11-2016

The question also states that each brick weighs 4 lb and ask to find 1) the function and 2) the total load if the wheelbarrow carry 20 bricks.

1) Function: weight of the wheelbarrow + weight of the bricks

call x, the number of bricks

f(x) = 42 + 4x

2) total load with 20 bricks

f(20) = 42 + 4(20) = 42 + 80 = 122 lb

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