math
posted by alandra .
large fresh salad = $4.43
shrimp tomato cocktail = $7.39
hot dog and fries = $13.86
vanilla cheese cake $6.97
cola $2.24
Do rough estimate to find out how much it will cost by rounding to the ones place and adding the amounts.
Then decide you want to be a bit more precise, so round to the tenths place and find the sum of theses amounts.
B) what is the difference between the two estimations?

math 
PsyDAG
4 + 7 + 14 + 7 + 2 = ?
4.4 + 7.4 + 13.9 + 7.0 + 2.2 = ?
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