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Elenna [48]
3 years ago
10

At a hardware store, a tool set normally costs $80. During a sale this week, the tool set costs $12 less than usual.

Mathematics
1 answer:
amid [387]3 years ago
8 0

Answer

The tool set costs $68 during the sale this week.

Explanation

We know that...

Normally the tool set costs $80.

During the sale, the tool set costs $12 less than usual.

So you should subtract to find the cost of the tool set during the sale.

80-12=68

So the tool set would cost $68 during the sale.

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Step-by-step explanation:

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3 years ago
Will mark Brainliest!
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5 0
3 years ago
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3 years ago
31-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece and the third piece
pychu [463]

"31-inch piece of steel is cut into three pieces"

Call the pieces a,b,c

a + b + c = 31

"second piece is twice as long as the first piece"

b = 2a

"third piece is one inch more than seven times the length of the first piece"

c = 1 + 7a

Ok, we have our equations, let's substitute the second and third into the first.

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