SOLUTION: Select the set of equations that represents the following situation: Mike invested $240 for one year. He invested part of it at 9% and the rest at 10%. At the end of the year he ea
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Question 371184: Select the set of equations that represents the following situation: Mike invested $240 for one year. He invested part of it at 9% and the rest at 10%. At the end of the year he earned $23.42 in interest. How much did Mike invest at each rate of interest?
(Points : 3)
a x + y = 240; 0.09x + 0.10y = 23.42
b 0.09 · 240 + 0.10 · 240 = 23.42
c 0.09x + 0.10y = 240; x + y = 23.42
d x + y = 240; 9x + 10y = 23.42 Answer by user_dude2008(1862) (Show Source):
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