You want to have $35,000 in cash to buy a car 4 years from today. you expect to earn 8 percent, compounded annually, on your savings. how much do you need to deposit today if this is the only money you save for this purpose?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).