Lynne bought a bag of grapefruit,1 5/8 pound of apples and 2 3/16 pounds of bananas. the total weight of her purchases was 7 1/2 pounds. how much did the bag of grapefruit weigh?

Weight of the bag of grapefruit = pounds

Step-by-step explanation:

Given :

Total weight of fruits purchased by  Lynne = pounds

Weight of apples purchased = pounds

Weight of bananas = pounds

To find the wight of the bag of grapefruit bought.

Solution:

Weight of the bag of grapefruit can be calculated  by subtracting the weights of apples and bananas combined from the total weight.

Weight of apples and bananas combined = pounds

Weight of the bag of grapefruit bought can be calculated as :

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Simplifying by removing parenthesis by reversing the sign after the negative.

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Evaluating the whole numbers and fraction separately.

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Taking LCD for 2,8,16 which is  = 16 as its the least common multiple.

Making the denominators common.

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Combining the numerators.

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Making whole number to fraction to evaluate.

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Taking LCD = 16

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Combining the numerators.

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Converting to mixed number.

⇒   pounds (Answer)

Weight of the bag of grapefruit = pounds

215.92 dollars is the answer