Harold's snowball reached a height of 6 ft. and would have hit the ground 22 ft. away. dinah's snowball reached a height of 7 ft. and would have landed 18 ft. away.

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).