Select all of the problem situations that can be solved using the given equation. 81 + 15 = 143 Samantha has a job babysitting. She earns $8 for every hour that she works. This week she earned $143, which included a $15 tip. Mr. Wilks mows lawns for extra money. Each lawn that he mows, he earns $15. After collecting the money for the lawns he mowed this week, he added the amount to the $8 in his wallet, totaling $143. Roger works in the meat section of a grocery store. So far this morning, he has cut 8 salmon steaks. In the meat display, there are several rows of 15 salmons steaks. When Roger puts the cut salmon steaks in the meat display, there will be 143 salmon steaks. Ms. Williams was looking for pencils. She found a box with 15 pencils in J the drawer. Then, she found some unopened packages with 8 pencils in each package. After counting all of the pencils, she had 143 pencils.​