3/8= 0.375
+1/2= 0.50
------------------
=0.875
Not sure if this is what you mean but this is what I got.
Answer:
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Step-by-step explanation:
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Answer is a = -4
3a + 4 = 2a
Subtract 2a from each side
a + 4 = 0
Subtract 4 from each side
a = -4
Percent increase = (new number - original number) / original number...* 100
= (3856 - 3659) / 3659...* 100
= 197 / 3659....* 100
= 0.0538 * 100
= 5.38% <==
