Mathematics
Mathematics, 09.10.2021 16:00, juniorjaramillo

Last summer, Betty earned $4200 by painting houses. She invested some of the money in a savings account that paid 3.5%/year and the rest in government bond that paid 4.5%/year. After
one year, she has earned $174 in interest. How much did she invest at each rate?

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Last summer, Betty earned $4200 by painting houses. She invested some of the money in a savings ac...

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