On a coordinate plane, a line with a 90-degree angle crosses the y-axis at (0, 1), the x-axis at (1, 0), turns at (3, negative 2
2 answers:
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Answer:
The amount invested at 4.5% was
The amount invested at 5% was
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
I is the Final Interest Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
Let
x -----> the amount invested at 4.5%
9,000-x -----> the amount invested at 5%
in this problem we have
substitute
so
therefore
The amount invested at 4.5% was
The amount invested at 5% was
Answer:
<em>x = </em>22.75
Step-by-step explanation:
Step 1: 4<em>x - </em>38 = 53 <----- Here is the original problem.
Step 2: 4<em>x </em>- 38 + 38 = 53 + 38 <----- Add 38 to both sides.
Step 3: 4<em>x </em>= 91 <----- Simplify
Step 4:
<----- Subtract both sides by 4.
<em>x = </em>22.75
Hope this helps! :D