Latisha is on page 30 of her book and reads 3 pages every night. sal is on page 40 of the same book and reads 2 pages every night. how long will it take latisha to be further in the book than sal?

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).