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n200080 [17]
3 years ago
11

I need help on this problem plz I need help

Mathematics
1 answer:
Annette [7]3 years ago
4 0

Answer:

The number is 35

Step-by-step explanation:

Let x be the number

1/5 x + 3x

=

2x + 42                 Break the question into phrases and solve 1 phrase at a time.

1/5 = 0.2

0.2x + 3x = 2x + 42              Combine the left

3.2x = 2x + 42                       Subtract 2x from both sides

3.2x - 2x = 42                        Combine

1.2x = 42                                Divide by 1.2

x = 42/1.2

x = 35

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