Earls little sister is helping him weed the garden. For every one weed, w, that she pulls out, Earl pulls out 4 weeds. After weeding for a while, Earl’s sister decides to count the weeds they have pulled and discovers there are 40 weeds. Which equation models how many weeds each sibling pulled? A. 40+4w=w B. 4w(exponent 2)=40 C. 4w+w=40 D. 40-2w=4