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Serenity buys milk and potatoes at the store.
She pays a total of $31.69.
She pays a total of $4.09 for the milk.
• She buys 4 bags of potatoes that each cost the same amount.
.
●
Write and solve an equation which can be used to determine x, how much
of potatoes costs.

Sagot :

The equation that can be used to determine the cost of a bag of potatoes is $31.69 - $4.09 = 4x

The cost of a bag of potatoes is $6.90

Solving an Equation

From the question, we are to write and solve an equation that could be used to determine x, the cost of a bag of potatoes

From the given information,

Serenity buys milk and potatoes at the store and she pays a total of $31.69

and

She pays a total of $4.09 for the milk

Thus,

The amount she pays for potatoes is $31.69 - $4.09

Also, from the information,

"She buys 4 bags of potatoes that each cost the same amount"

If x represent the cost of a bag of potatoes, then we can write that

$31.69 - $4.09 = 4x

This is the equation that can be used to determine the cost of a bag of potatoes

Now,

Solve the equation for x

$31.69 - $4.09 = 4x

$27.60 = 4x

x = $27.60/4

x = $6.90

Hence, the cost of a bag of potatoes is $6.90

Learn more on Calculating cost here: https://brainly.com/question/27887972

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