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OpenStudy (goformit100):
How to do it mentally ? Peter has 20 dollars in his pocket. He buys a 32 ounces vanilla ice cream for 8 dollars. How much is Peter's change?
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OpenStudy (anonymous):
20 - 8 = 12
OpenStudy (goformit100):
Madam can you please explain me .
OpenStudy (anonymous):
It's subtraction, how do you explain that?? -_- Hmm, okay, well I do it so you think about it, like 10 - 8 = 2, and then you still have 10, 10 + 2 = 12. Thats the best way I can explain this -.-
OpenStudy (goformit100):
Thankyou madam
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