Buns and toasts

Two buns weigh 10 grams more than two toasts. One Bun and two Toast weigh a total of 110 grams. How many grams weigh three toasts? How many grams does a Bun weigh?

Correct answer:

a =  105 g
h =  40 g

Step-by-step explanation:

2 h=10+2 t h+2 t=110  2h2t=10 h+2t=110  h=40 t=35  a=3 t=3 35=105 g

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