At a back to school sale, backpacks are marked down 15%. If the original price was $34, what is the sale price?

1 answer:

3 0

There are two ways to do this problem the first: multiply the original price by the percentage marked down ($34x.15=5.10) then subtract 5.10 from 34 and that gives you $28.90. The second way: subtract 15% from 100% (85%) and multiply $34 by .85 which will give you $28.90. :) whichever is easiest :)

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6. Use the Rational Root (Zero) Theorem to list all the possible real roots (zeros).

maks197457 [2]

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2 years ago

Since he's made of metal, Moby weighs a lot. In fact, Tim's weight is only 4 percent of Moby's weight. If Tim weighs 50 kg, how

Ivanshal [37]

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Moby weighs 1250Kgs

Step-by-step explanation:

Tim is 4% of Moby so

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if T is for Tim and Tim weighs 50kgs then

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2 years ago

An experienced carpenter can frame a house twice as fast as an apprentice. Working together, it takes the carpenters 2 days. How

AleksAgata [21]

Answer:

6 days

Step-by-step explanation:

Let the time taken by Carpenter working alone = $C$ days

Then time taken by apprentice alone = Twice as that of taken by Carpenter = 2 $C$ days

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Work done in one day working together = $\frac{1}{2}$

Work done in one day by Carpenter working alone = $\frac{1}{C}$

Work done in one day by apprentice working alone = $\frac{1}{2C}$

Work done in one day by Carpenter working alone + Work done in one day by Carpenter working alone = $\frac{1}{C}$ + $\frac{1}{2C}$ = Work done in one day working together = $\frac{1}{2}$

$\dfrac{1}{C}+\dfrac{1}{2C}=\dfrac{1}{2}\\\Rightarrow \dfrac{2+1}{2C}=\dfrac{1}{2}\\\Rightarrow C = 3\ days$