contestada

A hamburger and 2 drinks cost $6.00,2hamburgers and 2 drinks cost $9.60
How much does 1 drink cost?

Respuesta :

h + 2d = 6
2h + 2d = 9.60
-2h - 4d = -12
2h + 2d = 9.60
- 2d = - 2.4
d = $1.20

Otras preguntas