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3 years ago

Last year Ali biked c miles. This year, he biked 261 miles. Using c write an expression for the total number of miles he biked

1 answer:

5 0

The total amount Ali biked was over two years. To find that amount, you add the amount he biked each year. Since he biked 261 miles in one year and c miles in the other, the total amount of miles is 261 + c. That would be the expression used to describe the total number of miles.

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1 year ago

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2 years ago

Betty has a sister named Anne. Betty's sister, Anne, is 3 years younger than twice Betty's age.

chubhunter [2.5K]

The required equation is:

$a = 2b-3$

Step-by-step explanation:

Given

Let a be Anne's Age

and

b be Betty's age

Now we will onvert the given word problem in the form of equation step by step

"twice Betty's age." will be represented by $2b$

Then

"3 years younger than twice Betty's age." will be represented as: $2b-3$

Now

"Betty's sister, Anne, is 3 years younger than twice Betty's age."

$a = 2b-3$

Hence,

The required equation is:

$a = 2b-3$

Keywords: Word problems, linear equation in two variables

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2 years ago

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Answer:

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Step-by-step explanation:

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