Help me please with complete solution and clear explanation. Please briefly explain it thank you.

Reference: https://drive.google.com/folderview?id=1jT0hecxoRkKhTuKxSaOwZgzuEe1v2Hfn

WRITTEN WORK Directions: Read the items carefully and choose the letter of the best answer. 1. The fare F of a passenger varies directly as the distance d of his destination. What type of variation does this illustrate? a. Direct Variation c. Joint Variation b. Inverse Variation d. Combined Variation 2. Which equation represents that m varies inversely as n? a. m = kn b. m = = C. n1= k d. m=! In K 3. If x varies directly as y and x = 35 when y = 7, what is the values of y when x = 25? a. 5 b. 7 c. 10 d. 25 4. "The number of days needed in repairing a house varies inversely as the number of men working. It takes 15 days for 2 men to repair the house. How many men are needed to complete the job in 6 days?" Write the equation that best represents the problem. Let d be the number of days and m be the number of men working. a. d= b. d= 7.5 d. d = 30 m 5. You're in a playground. The distance from the center d of the seesaw varies inversely as the weight of the child w. You weigh 100 lbs, sits 4 feet from the fulcrum. How far your playmate will sit away from the fulcrum to balance with your weight if he weighs 80 lbs? a. 4 ft b. 5 ft c. 6 ft d. 7 ft