7. Gerry deposited P4600 and withdrew P5000 at the same time. How much money was left if he has R2250 Initial deposits in his bank account? 8. The airplane rose 1067 meters and then went down 366 meters. What is the present altitude of the airplane? 9. A sales clerk's monthly salary is P10520. How much will be her take home pay if her mandatory deductions is P1600? 10. A boy carries a load of 14 kilograms. He finds it heavy so he removes a weight of 6 kilograms. What is the weight of the remaining load? 11. A family earns R35,000 a month and spends P16,000. How much is the net income of the family? 12. A submarine was located 6,980 meters below sea level. If it rises 1,725 meters, what is its new position? 13. Sonia's present weight is 13 pounds. If she gains 2 pounds this month and loses 3 pounds next month, what will her weight be by the end of next month? 14.Jerry's grade in Math decreased 3 points in the first quarter but increased 7 points in the second quarter. What is the total increase between the first and second quarter? 15. The airplane flies with an altitude of 1,200 feet above the ground and then went down 500 feet. That is the present altitude of the airplane?​