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Use the strategy you developed i a. a/7 + a/3 = 10
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5 votes
Use the strategy you developed i
a. a/7 + a/3 = 10

User Lolade
by
7.0k points

1 Answer

6 votes

Answer:

A=21

Explanation:

a/7 + a/3 = 10

3a/21+7a/21=210/21

3a+7a=210

10a=210

a=21

User Mehdi Daustany
by
7.1k points
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