Add and subtract masses in grams
Work in grams. Write the number only.
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A box of cereal has a mass of 61 g. 42 g is used. How much is left in g?
Answer: 19
A sack of flour has a mass of 89 g. 47 g is used. How much is left in g?
Answer: 42
Two sack of flours have masses of 12 g and 17 g. What is their total mass in g?
Answer: 29
Tip: Work in grams. Write the number only.
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