the answer to your equation is
n=40
Can’t help you with this, we need either the picture of the graph or the formula for the graph
Sense this string would only be 11 (in), and we are cutting it into 3 pieces, this would show us that we would then be dividing the 11 (in) string into 3 pieces. The expression would be below.
Each day it decrease $2. So just multiply $2 x 4 days. It changed a total of $8.
Let w = the number of weeks you talked on your cell phone
60 min = 1 hr
60w + 250 = total number of minutes