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Vedmedyk [2.9K]
3 years ago
6

A math problem asks when two brothers will have saved the same amount of money. When Marta writes and solves the equation, her f

inal step is 3 = 7.
Assuming Marta has done everything correctly, how should she interpret this solution?
Mathematics
1 answer:
Bezzdna [24]3 years ago
3 0
That it wiil not equal out to be the same unless one of them start with money
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<span>C. 17.83 miles per hour
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3 years ago
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Sarah saved $12.75 every week for a number of weeks, w. She received an additional $25 during the last week in which she saved m
Umnica [9.8K]

Answer:

12.75w + 25 = 114.25

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Step-by-step explanation:

since sarah is receiving 12.75 each week for a number of weeks, w (we don't know its value yet)  we know that first part of the equation: that 12.75 is the coefficient next to w. Then we have the extra 25, so we know that adding 12.75w and 25 would give us sarah's total amount, which is 114.25.

to find out what w represents, we have to solve for it. solving for w means isolating it on one side. so, what we can do first is subtract 25 from both sides. that would then make the equation:

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now, we have only one step left to isolating w, and that's to get 12.75 on the other side somehow. since we're multiplying 12.75 with w, and we're applying additive inverse properties, meaning the opposite of what is happening to cancel it out on the side it's in, we would divide 12.75 on both sides. in the left, 12.75 would cancel out, and in the right, we would divide 89.25 by 12.75. the quotient is 7.

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sarah saved up for 7 weeks.


3 0
4 years ago
Whats the mean of 3/15=12/6
Ugo [173]
If you mean
3/15+12/6
the answer is 2.2
6 0
3 years ago
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6 0
2 years ago
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