The question is not tricky, although I had to commit myself to paper and enlist all data as I was reading at first (to avoid careless mistakes too). Time spent was 80 seconds. In the end, I have the amount calculated using a calculator under timer 20,000/0.05=400,000. It could be done with number manipulations, i.e. no calculator 20,000*100/5=4,000*100=400,000. Answers is
Cin test, once I know how to solve, only calculator will be used to avoid miscalculations.
Carcass wrote:
Fifty percent of a couple's retirement account is invested in stocks, 25 percent in a mutual fund, 20 percent in Treasury bonds, and the remaining $20,000 in certificates of deposit. In the couple's retirement account, what is the total amount invested?
(A) $200,000
(B) $300,000
(C) $400,000
(D) $1,000,000
(E) $4,000,000