A woman was painting her nails before going out to dinner. Before she started, she realized that she could take no more than 20 minutes to finish. If it takes 0.23 minutes to paint each nail, and the paint takes 15 minutes to dry, then what is the maximum amount of nails she will be able to paint before time runs out?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

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).