Question

the owner of a software company claims that profits this year are one thousand times as great as they were 5 years ago. she also says that profits increased by 999,000over that time. If the profit this year can be expressed by a power of 10, how much was the profit 5 years ago?

Answer 1

The profit of the software company five years ago according to the description in the task content is; x = 1,000.

What is the profit of the software company 5 years ago?

It follows from the task content that the profit of the software company 5 years ago.is to determined.

let profit 5 years ago = x and

let profit now = y.

Hence, it follows from the statements that;

y = 1000x .......(1) and

y - x = 999,000.........(2)

It therefore follows from (2) that; y = 999,000 - x.

By substitution into equation (1); we have;

999,000 - x = 1000x

999,000 = 999x

x = 1,000.

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