Which is better $50 take away 20%or $35 take away 10%

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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).

Find the value of x. round the length to the nearest tenth