salvxxdor salvxxdor

10-03-2021
Mathematics

contestada

A pencil and an eraser cost € 1.40 (total cost).
Knowing that pencils are € 1 more expensive than eraser, how much does eraser cost?

Respuesta :

xmaalpa xmaalpa

10-03-2021

Answer:

Eraser cost €0,2

Step-by-step explanation:

Cost of ereaser - x

Cost of pencil - x + 1

x + x + 1 = 1,4

2x + 1 = 1,4

2x = 0,4

x = 0,2

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