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10. Crestina correctly solved 30 x 400 = 12,000. How can she use this information to help her solve 31 x 400? Explain your answers *
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5 votes
10.

Crestina correctly solved 30 x 400 = 12,000. How can she use this
information to help her solve 31 x 400? Explain your answers *

User Dave Costa
by
4.5k points

1 Answer

3 votes
She can do 400x1 and add the product of that to 12,000 to get the answers to 31 x 400
User Hyperspasm
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