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Ray Of Light [21]
3 years ago
6

Mia has a $25 gift card for an online music store. She buys an album for $9.50 and wants to use the remaining money on the card

to buy individual songs, which cost $1.25 each. Write and solve an equation to find the number of songs Mia can buy.
Mathematics
2 answers:
Digiron [165]3 years ago
7 0

Answer:

12

Step-by-step explanation:

KengaRu [80]3 years ago
3 0

Answer:

Mia can buys 12.4 songs.

Step-by-step explanation:

25 - 9.50 = 15.50

15.50 : 1.25 = 12.4

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Please help with #12
ExtremeBDS [4]

Answer:

a. 1 1/8 b. 8/9

Step-by-step explanation:

You can set this up as a proportion to solve.  For part a. we know that 2/3 of the road is 3/4 mile long.  2/3 + 1/3 = the whole road, so we need how many miles of the road is 1/3 its length.  Set up the proportion like this:

\frac{\frac{2}{3} }{\frac{3}{4} } =\frac{\frac{1}{3} }{x}

Cross multiplying gives you:

\frac{2}{3}x=\frac{1}{3}*\frac{3}{4}

The 3's on the right cancel out nicely, leaving you with

\frac{2}{3}x=\frac{1}{4}

To solve for x, multiply both sides by 3/2:

\frac{3}{2}*\frac{2}{3}x=\frac{1}{4}*\frac{3}{2} gives you

x=\frac{3}{8}

That means that the road is still missing 3/8 of a mile til it's finished.  The length of the road is found by adding the 3/4 to the 3/8:

\frac{3}{4}+\frac{3}{8}=\frac{6}{8}+\frac{3}{8}=\frac{9}{8}

So the road is a total of 1 1/8 miles long.

For b. we need to find out how much of 1 1/8 is 1 mile:

1 mile = x * 9/8 and

x = 8/9.  When 1 mile of the road is completed, that is 8/9 of the total length of the road completed.

8 0
3 years ago
What figure has a perimeter of 22 units?
Sav [38]
Without knowing the shape selection you have i cant really say anything.  But with a square you wouldnt have any whole numbers, nor would a triangle give you whole number, than again no shape that i can think of would give whole numbers.  
6 0
3 years ago
3(6h+10) = 192<br> Solve h=
dmitriy555 [2]

Answer:

h=9

Step-by-step explanation:

18h+30=192

18h=162

h=9

3 0
3 years ago
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Two runners, same time. Alan travels east at a uniform rate that is 2 mph faster than ed, who is traveling west. After two hours
True [87]
Ed is going 12 miles per hour.
5 0
3 years ago
A jacket is marked down 55% off the original price. If the original price was $160.00, what is the sale price of the jacket befo
Naya [18.7K]

Answer:

72

Step-by-step explanation:

because when you do 55% out of 160 it will give you 88 which you subtract from 160 and then you will end up with 72

3 0
2 years ago
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