Multiplica los números: 5x-9=2y
-45=2y
2y=-45
Y=-45/2
Ecuación:
5x-9=2y
-45=2y
2y=-45
Step-by-step explanation:



or

70 calories
Cal. =175=X
serv.=2.5 =1
Divide 175 by 2.5 and X =70 calories per serving
Answer:
A
Step-by-step explanation:
5*10^3=5*1000=5000
5*10^4=5*10000=50000