31. Larry weighed twice as much as his sister Mary. Together they weighed 210 pounds. How much did each
one weigh?

please show steps.

Respuesta :

Answer:

Lary weighs 140 Maur weighs 70

Step-by-step explanation:

210÷105 150÷2×3=70

Answer:

210 = 3x

/3      /3

70 = x

Mary is 70

Larry is 2x

so the weight for Larry is 140