1. use the function described below to answer questions 1 - 4.
yvonne invested $4,000 i...
Mathematics, 25.01.2020 09:31 861819
1. use the function described below to answer questions 1 - 4.
yvonne invested $4,000 in a savings account which pays 3.5% interest compounded annually. use the formula a = p(1 + r)t, where p is the principal, r is the interest rate, and t is the time in years.
what is the percent of increase as a decimal? do not round.
2. approximately, how much money will yvonne have in 4 years? round to the nearest cent.
3. approximately, how much money will yvonne have in 8 years? round to the nearest cent.
4. approximately, how many years will it take for yvonne to double her money? write the number of years only.
5. alex buys a top of the line computer. he did not realize that the computer would lose value so fast. if his computer cost $1800.00 and it depreciates at a rate of 45% each year, in how many years will it be worth less than 1/3 of what he paid for it?
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Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck
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