avacerecedes28 avacerecedes28

10-02-2021
Mathematics

contestada

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

Respuesta :

kanamorimakoto kanamorimakoto

10-02-2021

Answer:

A=21

Step-by-step explanation:

a/7 + a/3 = 10

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

3a+7a=210

10a=210

a=21

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