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Viefleur [7K]
3 years ago
14

The sum of three numbers is 123. The third number is 4 times the first. The second number is 9 more than the first. What are the

numbers?
First number:


Second number:


Third number:

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0

Answer:

Step-by-step explanation:

Let the first number = x

Let the second number = x + 9

Let the third number = 4x

Together they make 123

x + x + 9 + 4x = 123              combine the left

6x + 9 = 123                         Subtract 9 from both sides

6x = 123 - 9

6x = 114                                 Divide by 6

x = 114/6

x = 19

=================

First number = 19

Second number = 19 + 9 = 28

Third number = 4*19 = 76

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