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RUDIKE [14]
3 years ago
7

John is 24 years old. Two years ago, he was twice Shane's age at that time. How old is Shane now?

Mathematics
1 answer:
gtnhenbr [62]3 years ago
7 0

Answer:

Present age of john= 24 years

Let Shane's age= x years

 Two years ago

John's age = 24-2= 22 years

Shane's age = (x-2) years

  Writing in terms of equation,to the above statements

⇒22= 2(x-2)

⇒22= 2 x- 4

⇒22+4 = 2 x

⇒ 2 x= 26

⇒ x= 26÷2

⇒ x =13

Present age of son = 13 years




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sweet [91]

Answer:

14

Step-by-step explanation:

12:6=2

12+2=14

so her brother it's 14 years old

3 0
3 years ago
I need help solving this
ladessa [460]
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5 0
3 years ago
Jenny has 1 stamp to begin her collection. She then collects 7 stamps per day. Let y represent the total amount of stamps in Jen
lord [1]

Answer:

<em>y=7x+1</em>

Step-by-step explanation:

<u>Linear modeling</u>

Consists of finding a linear equation that represents a situation in real life.

Jenny starts her stamps collection with only 1 stamp.

Then she collects 7 stamps per day.

Let's call

y=total amount of stamps in Jenny's collection

x=number of days

Knowing Jenny collects 7 stamps per day, then in x days, she collects 7x stamps. The total amount can be obtained by adding the first stamp she had. Thus, the model is:

y=7x+1

5 0
3 years ago
Read 2 more answers
Find the value of each expression<br><br> 3[ (20 - 4) / 2]<br><br> 5(9) / (8 / 4)
storchak [24]
3 [ (20-4) / 2 ]= 3 * 16/2=  3 x 8 =24

5,(9)=5 9/9= 54/9=6

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4 0
3 years ago
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One week a business sold 40 shirts. White ones cost $4.95, and the printed ones cost 7.95. In al $282 worth of shirts were sold.
Tanya [424]

Answer:

12 white 28 printed

Step-by-step explanation:

x = white y = printed

x + y = 40————(1)

4.95x + 7.95y = 282————(2)

Solve for x using 1st equation

x = 40 - y Plug in for x using 2nd equation

4.95(40 - y) + 7.95y = 282 Solve for y

198 - 4.95y + 7.95y = 282

3y = 84

y = 28         Plug in for y using 1st equation

x + (28) = 40     Solve for x

x = 12

I hope this helped and please mark me as brainliest!

8 0
2 years ago
Read 2 more answers
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