The number of students in 2nd period Math increased by 15% during the school year. There were 20 students in the class at the beginning of the school year. How many students were in 2nd period Math by the end of the school year? Show your work.

Anyone know? is appreciated! will mark brainliest if correct!

You can find the constant of proportionality by finding the ratio of

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)