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irga5000 [103]
3 years ago
6

Sarah and Gabriela are at a soccer camp. The length of a soccer practice is 2/3 hour. The coaches have set aside 8 hours for soc

cer practice. How many soccer practices can the coaches have?
Mathematics
2 answers:
pentagon [3]3 years ago
5 0

Answer:

One way to answer your problem is by using proportions, and the following method can be done:

Step-by-step explanation:

\frac{1}{\frac{2}{3}}=\frac{x}{8}

Then that reduces to the following:

\frac{8}{\frac{2}{3}}=x=12

So the answer would be 12 practices.

Nesterboy [21]3 years ago
4 0

Answer:

12 soccer practices

Step-by-step explanation:

1 Soccer practice = 2 / 3 hour

We have 8 hours

8 / 2/3

multiply the top and bottom by 3 to get rid of the 3

8 * 3 = 24

2/3 * 3 = 2

24 / 2 = 12

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The number=10x+y
we suggest this system of equations:
(10y+x)-(10x+y)=27
x+y=9                                ⇒x=9-y

Can solve this system of equations by susbstitution method.
(10y+(9-y)-(10(9-y)+y)=27
10y+9-y-(90-10y+y)=27
10y-y+10y-y=27-9+90
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x=9-y
x=9-6
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The number=10x+y=10(3)+6=36

Answer: the number is 36.

to check:
63-36=27
6+3=9
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