PLEASE HELP Most gasoline sold in the United States is made of a blend of 10% ethanol and 90% petroleum. Given that the density of ethanol is approximately 7.9 pounds per gallon, what is the weight in pounds of the ethanol in 12 gallons of gasoline?

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days