SOLUTION: During the first 6 months of last year, the interest on an investment was $130 less during the second 6 months. The total interest for the year was $1,450. What was the interest fo
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Question 684132: During the first 6 months of last year, the interest on an investment was $130 less during the second 6 months. The total interest for the year was $1,450. What was the interest for each six month period?
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
x = first six months
y = second six months
...
x + y = 1450
x = y - 130
...
Substitution
y - 130 + y = 1450
2y - 130 = 1450
2y = 1450 + 130
2y = 1580
...
x = 790-130
.....................
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