Chapter 3: Q. 130 (page 334)
In the following exercises, solve.
In years, a bond that paid earned interest.
What was the principal of the bond?
The principal of the bond was
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In the following exercises, solve.
Kenneth loaned his niece to buy a computer. Two years later, she paid him back the , plus interest. What was the rate of interest?
Elvira and Aletheia live miles apart on the same street. They are in a study group that meets at a coffee shop between their houses. It took Elvira half an hour and Aletheia two-thirds of an hour to walk to the coffee shop. Aletheia’s speed is miles per hour slower than Elvira’s speed. Find both women’s walking speeds.
Find three consecutive even integers whose sum is 258.
Joe’s wallet contains \(and \)bills worth \(. The number of \)bills is five more than the number of $ bills. How many of each bill does he have?
Liliana has in nickels and quarters in her backpack. She has more nickels than quarters. How many coins of each type does she have?
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