Question

If 47.256 = 4A + 7B + 2C + 5D + 6E , then find the value of 5A + 4C + 7E.

Answer 1

By the given first equation,

We can say that,

A is 10units, B is 1unit, C is 0.1unit, D is 0.01unit, E is 0.001units.

Now 5A +4C +7E,

5(10)+4(0.1)+7(0.001)

That is,

50.407

Hope you got it! :-p