SOLUTION: A restaurant ordered 3 bags of flour. Each bag weighs 4 2/5 kg. The restaurant used 2 1/4 kg of flour and spilled 1/8 kg. How much flour was left? Express answer in kilograms and g

Question 1204776: A restaurant ordered 3 bags of flour. Each bag weighs 4 2/5 kg. The restaurant used 2 1/4 kg of flour and spilled 1/8 kg. How much flour was left? Express answer in kilograms and grams.
Found 2 solutions by josgarithmetic, math_tutor2020:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Original amount of flour: .

After usage and spillage, amount remaining:
and you can do the rest on your own.
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!

Convert each mixed number to decimal form
4 & 2/5 = 4.4
2 & 1/4 = 2.25
1/8 = 0.125
Each decimal value is exact, and no rounding has been done.

1 bag weighs 4.4 kg
3 identical bags weigh a total of 3*4.4 = 13.2 kg

The restaurant used 2.25 kg of flour and spilled 0.125 kg.
The total amount of flour used or lost is 2.25+0.125 = 2.375 kg

The amount remaining is 13.2 - 2.375 =10.825 kg

We have 10 full kg of flour left. Then 0.825 of an extra kg
Multiply this portion by 1000 to convert from kg to grams.
0.825 kg = 1000*0.825 = 825 grams

Therefore,
10.825 kg = 10 kg + 825 grams

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