3. Martha works as a waltress and earns $6.75 per hour plus tips. She worked 25 hours last week and received $215 in tips. What was her gross income from last week? O $5,375
O $183.75
O $168.75
O $383.75

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step-by-step explanation:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of