Question

Ana earned x dollars at her summer job. She put 50% of her money into savings and spent 40% of the rest on a new outfit. Write an expression for the amount of money she has left.

Answer 1

Remain amount = x - 0.5x - 0.4x

Remain amount = 0.x

Explanation:

Given:

Ana earned = $x

Saving = 50% income

Cost of new outfit = 40% income

Find:

Expression for remain amount

Computation:

Saving = 0.5x

Cost of new outfit = 0.4x

Expression for remain amount

Remain amount = x - 0.5x - 0.4x

Remain amount = x - 0.9x

Remain amount = 0.x