$1100 x 1.021^7 = $1272 (whole number.)
the $1100 is the original amount of money put in the bank with the 1.021 being the interest rate. this was put to the power of 7 to represent the years the money will be in the account.
<h3><u>Solution</u><u>:</u><u>-</u></h3>
(3/4)to the power of 3 in form of p/q
<span>3y + 53 = 7y - 55 is a three step equation. Our goal is to get 'y' by itself.
First we subtract 3y on both sides of the equation.
</span>3y + 53 = 7y - 55
-3y -3y
53 = 4y - 55
Then we add 55 on both sides of the equation.
53 = 4y - 55
+55 +55
108 = 4y
Finally we divide 4 on both sides.
108 = 4y
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4 4
27 = y is the answer
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