Kendra spent $1.20 for 4 pieces of gum. taliyah bought a 20-pack of gum for $6.60. jamil spent his last dollar on 5 pieces of gum. fredrick’s friend charged him $0.25 for one piece of gum. whose gum is the cheapest?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Asap! i'm not good math and i'm lost.