An elite runner's stride rate is currently 168 strides per minute (the number of steps she takes per minute). She wants to improve her stride rate to 180, and believes that through training, she
can increase her stride rate by 2 strides per minute each day, d. Which equation best models the
situation?

i'm not sure i quite understand, could you provide more information?

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

merry christmas!

~

your friendly neighborhood human spider! .

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)