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Margaret [11]
3 years ago
13

If you know that 8×300=2,400, how can you find 8×320? Explain.

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0

we have

8*300=2,400

we know that

320=(300+20)

so

8*320=8*(300+20)=8*300+8*20

substitute the value of 8*300=2,400

8*320=2,400+8*20=2,400+160=2,560


KATRIN_1 [288]3 years ago
3 0
If 8x300=2,400, then 8x320 would equal 2,560. Why? Because 8x20=160. 2,400+160=2,560.
Hope this helps! :)
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