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3 years ago

12

David wants to my have a board for $398.50. He has saved $350 so far. Stores offering a discount for 15% for the month of Januar

y. will David have enough money to buy the hoverboard during the month of January?

1 answer:

bija089 [108]3 years ago

5 0

Answer:

Yes, he will

Step-by-step explanation:

398.50 x .15 = 59.775

398.50-59.775=338.725

350>338.725

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Answer:

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Step-by-step explanation:

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3 years ago

PLZ help picture included

cupoosta [38]

Answer:

4 miles

Step-by-step explanation:

Let

x ----> the time to returned back biking in hours

d ---> the distance in miles

s ---> speed in miles per hour

Remember that

The speed or rate is equal to divide the distance by the time

$s=\frac{d}{t}$

The distance is equal to multiply the speed by the time

$d=st$

we know that

$18\ min=\frac{18}{60}\ hours$

The distance to his friend's house and the distance of return is the same

so

$10x=4(x+\frac{18}{60})$

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subtract 4x both sides

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$6x=\frac{18}{15}$

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The total distance of the round trip is

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substitute the value of x

$y=10(\frac{1}{5})+4(\frac{1}{5})+\frac{18}{15}$

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Step-by-step explanation:

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