Which sum or difference is modeled by the algebra tiles?
1 answer:
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Answer:
Total cost to paint the room = £73.51
Step-by-step explanation:
Given:
Dimensions of the room = 6.8 m 9.2 m
Cost of tin of paint = £11.75
A tin of paint covers an area = 20
To find the cost of painting the room with two coats of paint.
Solution:
Area of the room =
We will use unitary method to find the amount of paint required for the room.
If of area is covered by 1 tin of paint.
For of area, amount of paint required =
of a tin
Then, for amount of paint required =
tins of paint.
<em>For double coats twice paint must be required.</em>
So, total amount of paint required for painting the room with two coats of paint = tins of paints.
Using unitary method to find total cost.
If 1 tin of paint costs = £11.75
<em>6.256 tins of paint will cost = </em>
Total cost to paint the room = £73.51