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emblemhacks
12.02.2021 •
Mathematics
Can y’all solve this?
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Ответ:
The minimum number of 1-gallon cans of paint Lucy needs is 5.
Step-by-step explanation:
Given in the question,
There are 3 bedrooms of dimensions (14*12*8)feets
Thus total area of the room = area of walls+area of 1 ceiling
= (2*area of opposite walls)+(2*area of another set of opposite walls)+ceiling
=(2*14*8)+(2*12*8)+(14*12)
=224+192+168
=584 square feet.
Now deducting the area of doors and windows of area (6.5*2.5)sq ft and (4.5*3)sq ft;
=584-(6.5*2.5)-(4.5*3)
=584-16.25-13.5
=554.25 sq ft.
There are 3 such of bedrooms.Thus;
=3*554.25
=1662.75 sq ft.
Now dividing it with 350 sq ft which is the capaciy paint for 1-gallon container;
=1662.75/350
=4.7507.
which is nearly equals to 5. Thus,the minimum number of 1-gallon cans of paint Lucy needs is 5.