A mail carrier delivers 19,200 pieces of mail in six days. How many pieces of mail are delivered in 30 days?


A potential investor has $28,000 to put into bonds offering an annual interest rate of 6% of a certificate of deposit that offers a rate of 5.5%. The investor would like to earn $1,630 in interest for one year. How much money should the investor put in bonds?

Rate, Percent Mixture

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