Atowns population is 43,425. about 125 people move out of the town each month. each month, 200 people on average move into town. a nearby town has a population of 45,000. it has no one moving in and an average of 150 people moving away every month. do both of these ! 1) in about how many months will the population of the towns be equal? 2) write an equation that represents this situation and !

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.