Mary Picks 3 Shells For Every 7 Shells That Bong Picks. If She And Bong…

Mary picks 3 shells for every 7 shells that Bong picks. If she and Bong picked 30
shells altogether, how many shells did Bong pick?​

Answer:

21 shells

How?

Since Mary picks 3 shells and Bong picks 7 shells and 3+7 is equal to 10

Where 10×3=30

So 7×3 is 21 and 3×3 is 9

Bong picked 21 shells while mary picked 9 shells

To check 21+9 is 30

I hope this helps

#Carryonlearning

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