Write a few sentences about different ways to show subtraction for a problem like 32 - 15

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

When the ball has traveled a distance 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)