5. Ashley and John went to a Mexican restaurant. She bought 2 tacos and 3 enchiladas for $8. John bought 4 tacos and 2
2 answers:
You might be interested in
To model half-life, use the formula 
. Here, 
is the amount remaining after a length of time 
. 
is the amount that you start with. 
is the half-life. You plug in 50 for , 10 for , and 25 for . You get 
.