Question
Find the value of 5A + 3B + 6C + D + 3E:
If 47.2506 = 4A + 7 + 2C + 5 B D
Answer: Option C
- 4A + 7 B + 2C + 5 D + 6E = 47.2506 4A + 7 B + 2C + 5 D + 6E = 40 + 7 + 0.2 + 0.05 + 0.0006 Comparing the terms on both sides, we get: 4A = 40 7 B = 7, 2C = 0.2, 5 D + 0.05, 6E = 0.0006 or A = 10, B = 1, C = 0.1, D = 100, E = 0.0001 5A + 3B + 6C + D + 3E = (5 x 10) + (3 x 1) + (6 x 0.1) + 100 + (3 x 0.0001) = 50 + 3 + 0.6 + 100 + 0.0003 = 153.6003
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- 4A + 7 B + 2C + 5 D + 6E = 47.2506 4A + 7 B + 2C + 5 D + 6E = 40 + 7 + 0.2 + 0.05 + 0.0006 Comparing the terms on both sides, we get: 4A = 40 7 B = 7, 2C = 0.2, 5 D + 0.05, 6E = 0.0006 or A = 10, B = 1, C = 0.1, D = 100, E = 0.0001 5A + 3B + 6C + D + 3E = (5 x 10) + (3 x 1) + (6 x 0.1) + 100 + (3 x 0.0001) = 50 + 3 + 0.6 + 100 + 0.0003 = 153.6003
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