The amount invested is $ 470
<h3><u>Solution:</u></h3>
Given that , we have earned $131.60 as simple interest for an amount deposit at the rate of 4% for seven years.
We have to find the amount invested. That is, we need to find the principal sum
Let us use the simple interest formula
<em><u>The simple interest is given as:</u></em>

Here, simple interest = $ 131.60
Rate of interest = 4 %
Number of years = 7
principal = ?
Substituting the values in formula, we get

Thus the amount invested is $ 470
Answer:
3.36 or 336/100
Step-by-step explanation:
2 4/5 x 2 x 3/5 = 3.36 in decimal form or 336/100 in fraction form
9514 1404 393
Answer:
(x, y) = (3, -1)
Step-by-step explanation:
The solution to the system of equations is the point where the lines intersect.
(x, y) = (3, -1)
Answer: y = 1
Step-by-step explanation:
9x + (3 x 1) = 12
Six hundred fifty five thousand five hundred seventy five