When they were finished, how many potatoes had each peeled?

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Garima began peeling a pile of 44 potatoes at the rate of 3 per minute. Four minutes later, Chaya joined her, and peeled at the rate of 5 potatoes per minute.
When they were finished, how many potatoes had each peeled?

posted Feb 10, 2015

Before Chaya joined her, Garima managed to peel 12 potatoes out of the 44.
Therefore we can state that as Chaya joined, there were only 32 potatoes to peel, as 44 - (3*4) = 32
Per minute, both C and G peel a combined total of 8 potatoes, thus in 4 minutes after C joined in, all of the potatoes would have been peeled.
so for G: (3*4) + 12 = 24
and C: (5*4) = 20
Therefore, Garima managed to peel 24 potatoes, and Chaya managed to peel 20.

answer Feb 10, 2015 by anonymous

Peeling Speed :
Garima = 3/Min
Chaya = 5/Min

Garima Peeled 3*4 = 12 Potatoes

After Chaya Joining
Garima Peeled 3*4 = 12 Potatoes
Chaya Peeled 5*4 = 20 Potatoes

Therefore, Total Potatoes Peeled :

Garima = 12+12 = 24
Chaya = 20

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