Describe a real- life multiplication situation of wich an estimate make sense

Answer question above and explain each step : )

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).

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180