30=1/2(12)(h)
30=(6)(h)
h=5
ANSWER:
A.
B.
C.
D.
STEP-BY-STEP EXPLANATION:
We must bear in mind that when a value increases or decreases in percentage form, the form of the equation is exponential, while when it increases or decreases in a fixed manner, the form of the equation is linear.
Starting from the equation, the equations would then be:
A.
B.
C.
D.
Set up a proportion:
4.1/22 = 12.3/x
Cross multiply:
4.1 * x = 22 * 12.3
4.1x = 270.6
Divide 4.1 to both sides:
x = 66
Answer:
if the interest rate is 4.5% for 6 months (not per annum) then the answer is $45 is the interest he have to pay.
Step-by-step explanation:
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