Felix is now six times as old as Debbie. In twelve years time Felix will be two times as old as Debbie. How old are they

Mathematics

1 answer:

Minchanka [31]2 years ago

6 0

Step-by-step explanation:

let debbie be x years

let felix be 6x years

in 12 years felix will be 2x older than debbie

do the calc

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You've written "then" before 3, so i assume the real question is:

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denis-greek [22]

The blank spaces about the passage can be filled with the following correct vocabulary respectively.

inequality
strict inequality
compound inequality
solution sets
true

<h3>Inequality</h3>

An inequality is a relation between two numbers and/or expressions that are related via <, >, ≥ or ≤ sign.

A strict inequality is an expression that uses < and >. It tells us that one side is only more or less than the other side.

When 2 simple inequalities are joined by or and, we get a compound inequality.

When solving an inequality, the solution will be a range of values called its solution sets. The inequality will remain true for every single value in this range.

The inequality signs are;