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This guide helps solve distance, money, and interest problems with detailed explanations and examples. Learn how to tackle various scenarios and ace your problem-solving skills easily.
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2.8 Further Problem Solving Solving Distance Problems Ex. Marie rode her 21-speed bicycle at an average speed of 18 mph on level roads and the slowed down to an average of 10 mph on the hilly roads of the trip. If she rode 98 miles, how long did the entire trip take?
Ex. Suppose two trains leave Neosho, Missouri, at the same time. One travels north and the other travels south at a speed that is 15 mph faster. In 2 hours, the trains are 230 miles apart. Find the speed of each train.
Solving Money Problems Ex. Part of the proceeds from a local talent show was $2420 worth of $10 and $20 bills. If there were 37 more $20 bills than $10 bills, find the number of each denomination.
Solving Interest Problem Ex. You invested part of your $20,000 inheritance in a mutual funds account that pays 7% simple interest yearly and the rest in a certificate of deposit that pays 9% simple interest yearly. At the end of the year, your investments earned $1550. find the amount you invested at each rate.
HW 2.8 pg. 149 # 21 – 39 odd