Your typical markup for merchandise is 40%. your cost on an item is $8.00. calculate the selling price.

1 answer:

6 0

The selling price would be $11.20.

40% = 40/100 = 0.4

The mark up is 40% of the cost; this means 40% of 8:

40% of 8 = 0.4(8) = 3.20
8 + 3.20 = 11.20

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Using the square-and-multiply approach, we have

$7^{203}=7\times(7^{101})^2$
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$7^3\equiv7\times1\equiv7\equiv3\mod4$
$7^6\equiv9\equiv1\mod4$
$7^{12}\equiv1\mod4$
$7^{25}\equiv7\times1\equiv7\equiv3\mod4$
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$7^{203}\equiv7\times9\equiv3\times1\equiv3\mod4$