If a person invested half of her money at 9% and half at 7% and received $160 interest, find the total amount of money invested.
2 answers:
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Answer:
80 square units
536.6
Step-by-step explanation:
First one.
2 Trapezoids
A = x h
A = x 2
A = 16
One rectangle
A = b x h
A = 6 x 8
A = 48
Total Area = 16 + 16 + 48 = 80
Second one:
Two triangles:
A =
A =
A =
A = 43.3
One large rectangle
A = b x h
A = 30 x 15
A = 450
Total Area = 450 + 43.3 + 43.3 = 536.6
Answer:
The width of the red tile would be inches.
Step-by-step explanation:
Given blue tile has a length of inches, and a width of
inches.
Also, length of similar tile is inches.
Let us assume as the width of red tile.
It is given in the question that both tiles are similar.
So, their area will be the same.
Area of blue tile would be
Area of red tile would be
The area of blue tile would be equal to area of red tile.
So, the width of the red tile would be inches.