To find out how many more pounds of food Carl's class needs to collect, we can subtract the amount they have already collected from their goal.
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Convert the goal and collected food to improper fractions:
- The goal is 50 pounds, which can be written as
. - The amount collected is 44 1/4 pounds, which is
or (since ).
- The goal is 50 pounds, which can be written as
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Find the difference:
To make the calculation easier, we can work with the fractions: We need a common denominator to subtract these fractions. The common denominator is 4.Convert 50 to a fraction with a denominator of 4:
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Subtract the amounts:
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Convert
to a mixed number: Thus, .
Therefore, Carl's class needs to collect 5 3/4 more pounds of food to meet their goal.
So the answer is 5 [3]/[4].