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Use mental math to find the sum of 43 and 57
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Use mental math to find the sum of 43 and 57

User YosiFZ
by
7.3k points

2 Answers

3 votes

Answer: 100

Explanation:

You know that 3+7=10

You know that 40+50=90

90+10=100

User Npearson
by
6.9k points
7 votes

Answer:

100

Explanation:

43+57=100

I added 3+7=10

Then 40+50=90 and added them

90+10=100

User Nikhil Kumar
by
6.5k points
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