Question

A +A+A = 24 ,A+B= 20,2B+C=30,A+B+C =?

Answer 1

Answer:

26

Step-by-step explanation:

A+A+A=24

3A=24

A=8

A+B=20

B=12

2B+C=30

C=6

A+B+C=26

Answer 2

Answer:

26

Step-by-step explanation:

A+A+A=24

Or, 3A=24

Or, A=8

A+B=20

Or, 8+B=20 {Putting value of A}

Or, B=20-8

Or, B=12

2B+C=30

Or, (2×12)+C=30

Or, 24+C=30 {Putting value of B}

Or, C=30-24

Or, C=6

So,

A+B+C

= 8+12+6

= 26 (Ans.)