You bought a magazine for $5 and four erasers?
You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?
En resumen
X = cost of each eraser 5 + 4x = 25 4x = 20 x = 5 Each eraser cost $5.
Mejor respuesta
X = cost of each eraser
5 + 4x = 25
4x = 20
x = 5
Each eraser cost $5.
Preguntas relacionadas de Matemáticas
Two groups of people went to see Avatar in IMAX 3D?
Sorry, but my english is not so good, but i hope you understandme : 2x + 3y = 73. 5 ec. 1 5x + 2y = 109. 5 ec. 2 if the ec. 2 is multipl by - 1. 5 : - 7. 5x - 3y = - 164. 25 ec. 3 The sum of ec. 1 and ec. 3 : 2x + 3y =…
1 respuesta 1
Alex sells his car making a 30% profit on his cost price?
He paid for the car $15, 925.
1 respuesta 8
A shop rents bikes for $12 per day plus $9 per hour?
Well if it was per hour it could be If $9 - > 1h $75 - > X X = 75x1 / 9 = 8. 3 hours or 8 hour and 20 min.
1 respuesta 10