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ELEN [110]
4 years ago
12

The sum of three numbers is 84 the second number is 3 times the third . The first number is 6 less then the third . What are the

numbers
Mathematics
1 answer:
Kamila [148]4 years ago
7 0

Answer:

A=12

B=54

C=18

Step-by-step explanation:

A=first

B=second

C=third

A+B+C=84

B=3C

A=C-6

C-6+3C+C=84

5C-6=84

5C=90

C=18

A=C-6

=(18)-6

=12

B=3C

=3(18)

=54

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