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Serhud [2]
2 years ago
11

The sum of 3 numbers is 62. The first number can be represented by the variable x. The second number is 7 more than the first nu

mber, and the third number is 3 times the first number. What is the third number?
Mathematics
1 answer:
crimeas [40]2 years ago
7 0

Answer:

The third number = 33

Step-by-step explanation:

First number = x

Second number = x + 7

Third number = 3x

x + x + 7 + 3x = 62              Combine like terms

5x + 7 = 62                          Subtract 7 from both sides

5x = 62 - 7

5x = 55                                Divide by 5

5x/5 =  55/5

x = 11

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What fraction of a kilometer is 150 cm?
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I need getting A. That is the only thing u am struggling with.
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madam [21]
Q1 :
x + (x+25) = 131
2x + 25 = 131
2x = 131-25
2x = 106
x = 53
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Therefore, 53+78=131

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x + (x+14) = 58
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2x = 58-14
2x = 44
x = 22
22+14 = 36
Therefore, 22+36=58

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let ‘b’ be basketball
b + (3+b) = 27
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2b = 27-3
2b = 24
b = 12
12 + 3 = 15
Therefore, 12 + 15 = 27
12 basketballs and 15 footballs were sold on Saturday

Q4 :
let ‘s’ be soup
s + 2s = 738
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s = 246
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Therefore, the hamburger has 492 calories while the soup as 246 calories

hope it helps somehow!

4 0
3 years ago
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