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abruzzese [7]
2 years ago
13

If Fred is x years old now, and his sister is half as old, how old will his sister be in 5 years?

Mathematics
1 answer:
Elanso [62]2 years ago
6 0

Answer: x/2+5 years old

Step-by-step explanation:

His sister would be x/2+5 years old. x/2 is his sisters age right now, and +5 is  years later!

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I needed help on this
Strike441 [17]

Answer:

Step-by-step explanation:

Let Freda's sum = x

Donnie has 3/4 x

He spends 63 dollars. His sum is now

3/4x - 63

Now the equation looks like this

6(3/4x - 63) = x            Remove the brackets

6*3/4 x - 378 =x

6 * 3/4 = 4 1/2

4 1/2 x - 378 = x           Add 378 to both sides

4 1/2 x = x + 378          Subtract x from both sides

3.5 x = 378                  Divide by 3.5

x = 378 /3.5

x = 108

Since x = 108, that's how much Freda had. (She spent nothing).

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Answer:

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2.5y=40x2

2.5y=80

y=80/2.5

y=32

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2 years ago
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10 x 15 divided by 4
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