Respuesta :
Subtract magazine from total:
25 -5 = 20
Divide by number of erasers:
20/4 = 5
Each eraser cost $5
Answer:
$5
Step-by-step explanation:
Magazine cost: 5$ each
Eraser cost: X$ each
Total cost is the number of items (1 magazine) times the cost of each item (5$). We don't know the cost of each eraser, so we represent that using a variable, X.
- 1(5) + 4(X) = 25
- 5 + 4X = 25
- subtract 5 from both sides
- 4X = 25 - 5
- 4X = 20
- divide both sides by 4
- X = 20/4
- X = 5
- Each eraser cost 5$
Hope this helps :)