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QveST [7]
4 years ago
11

If Robert buys a candy bar for 78 cents, how much change does he get back from a one-dollar bill?*

Mathematics
2 answers:
allsm [11]4 years ago
4 0
He will get back 22 cents Hope this helps
KengaRu [80]4 years ago
3 0
Lets do something simple. We have $1.00. We will use the one dollar. $1.00 will be there and then we have 78 cents used. So then you would do $1.00-.78= That equals $0.22. I hope this helped :)
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8 0
3 years ago
A scale drawing for an apartment shown below in the drawing is 2 cm represent 5m
rjkz [21]

Firstly, found out a square that is 7cm long and 5cm wide, you get the 7 from adding 5+2 across the top. Don't forget that, 2cm = 5m so you get the real area we need to work out how many meters are in each length.

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After finding that, you have to find the area of this square, so you do 17.5m x 12.5m = 218.75m^2 for the biggest square, that's the total area however we want the bedroom area.

Therefore we have to workout how much area is in the living room and take that away from the total amount. Since we found out how many meters are in the 5cm we can use that here again. 12.5m x 12.5m = 156.25m^2 with this we do 218.75m^2 - 156.25m^2 = 62.5m^2 is for the bedroom and small empty space. now we just need to find the small empty space.

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6 0
3 years ago
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