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Answer:

Given the statement: One pound of grapes costs $1.55.

Let x be be the cost of 3.5 pounds of grapes.

Equivalent ratios states that the  two ratios that express the same relationship between numbers.

Therefore, by equivalent ratio:

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then, we have;

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Cross multiply the above equation; we hve

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x = 5.425

therefore, the cost of 3.5 pounds of grapes is, $5.425


raphealnwobi

The cost of 3.5 pounds of grapes is $5.43.

Equation

An equation is an expression used to show the relationship between two or more numbers and variables.

Let y represent the cost of the total grapes, hence:

Since each pound of grape cost $1.55, hence 3.5 pounds of grapes is:

1.55 / 1 = y / 3.5

y = $5.43

The cost of 3.5 pounds of grapes is $5.43.

Find out more on Equation at: https://brainly.com/question/14323743

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