SOLUTION: The value of Maria's investments increased by 20% in the first year and by a further 10% in the second year. The value of Laura's investments grew 10% in the first year, followed b
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Question 1185142: The value of Maria's investments increased by 20% in the first year and by a further 10% in the second year. The value of Laura's investments grew 10% in the first year, followed by a gain of 20% in the second year. Both Maria and Laura started out with a $10,000 investment. Find Maria's and Laura's increase.
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
maria's investment:
10,000 * 1.2 = 12,000
12,000 * 1.1 = 13,200
laura's investment:
10,000 * 1.1 = 11,000
11,000 * 1.2 = 13,200
their increase is the same.
x * 1.2 * 1.l = x * 1.2 * 1.2
both are equal to x * 1.32.
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