Answer:
32
Step-by-step explanation:
Convert 40 percent to a decimal, which is 0.4, then multiply 0.4 with 80 and you get 32.
You have to invest $6,250
very simple applying the simple interest formula which is
Given data
A, final amount = $10,000
P, initial principal balance= ?
r, annual interest rate = 7.5%
t, time (in years)= 8 years
we can substitute our given data to find the principal needed.
Divide both sides by 1.6 we have
P= $6,250
12432435
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x = 6
y = 24
z = there is no z?
All angles of a polygon add up to 360 degrees
The 2 parellel lines on top and bottom mean that there are 2 right angles on the left side
3y + 18 = 90
3y = 72
15x + 30 + 10x = 180
25x = 150