Thursday, January 27, 2011

Textbook pg. 180-181

Question 8,16

8.Paco builds a glass greenhouse.

a) How many glass faces does the greenhouse have?
b) How much glass does Paco need to buy?

Shelby wants to paint the walls and ceiling of a rectangular room.

Type of paint Size of paint can Cost
Wall paint 4L $24.95
1L $7.99
Ceiling paint 4L $32.95

One liter of paint overs 9.5 m square?
a) what is the least amount of paint shelby can buy?
b) how much will it cost with tax?

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