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3 years ago

12

For homework, Brooke has 15 math problems, 5 social studies problems, and 9 science problems. Use mental math to determine how m

any problems she has for homework. Tell which property you used.Answer Property

1 answer:

koban [17]3 years ago

8 0

Answer:

29 homework problems

Addition Property was used

Step-by-step explanation:

15+5=20+9=29

Addition

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