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3 years ago

Im 10 years old and my sister is 4 years younger than me. 60 years later how old is my sister?

1 answer:

8 0

Your sister would be 66.
When you are 10, your sister would be 6 (10-4=6)
60 years later, you would be 70, and your sister would still be 4 years younger.

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The Math Club is selling shirts to raise money for a Pi Day Convention. Short sleeve shirts are $5 and long sleeved shirts are $

Sladkaya [172]

<h2>Answer:</h2>

# short sleeved shirts sold is 50

# long sleeved shirts sold 35

<h2>Step-by-step explanation:</h2>

First, you need to set up the equation.

(5x)+10*(85-x)=600

5x+850-10x=600

-5x+850=600

-5x=600-850

-5x=-250

x=50

After you solve the equation, you know, that 50 short sleeve t-shirts were sold. Now, you need to find out how many long sleeved t-shirts were sold. 85-50=35. Now you know, that there were 35 long sleeved t-shirt sold.

You can now check your answers. 50*5 + 35*10=600

That is correct.

I hoped I helped you. I will be really glad, if you mark my answer with brainliest.

3 0

2 years ago

(0,0), (1,5), (2,20), (3,45), (4,80) what's the rule?

yanalaym [24]

Hmm, seems to multiply by 5
wait, no

first is multiply by 5
2nd is multiply by 10
3rd is multiply by 15
4th is multiply by 20
seems to be

$f(x)=x(5x)$ or $f(x)=5x^2$
the rule is square the input then multiply by 5

5 0

2 years ago

Lacy walks 3 miles in one hour. how many feet does Lacy walk in 30 minutes

lapo4ka [179]

I believe the answer is 7920 feet.

8 0

3 years ago

Solving with percent and percent problems

Marysya12 [62]

Well, if 0.4% was defected, then 99.6% of the parts are good, because 100-0.4 is 99.6. Multiply 99.6% with 54650, and you get 54431.4. You should round down, because you can't have parts of parts. So, 54431 parts were good.

8 0

2 years ago

Suppose that y varies inversely with x, and y=10 when x=2

yarga [219]

Step-by-step explanation:

y=k/x

10=k/2

k=10×2

k=20

6 0

2 years ago