16. Solve for xthe equation
17. Sole for xthe equation
(a) (b) (c) (d) None of the above.
18. Solve for xthe equation
19. Solve for xthe equation
20. Solve for xthe equation
Exercise Set 2.21.Sam is 5 years older than his brother. Thirty years from now the sum of their ages will be 75. Findthe current ages of the brother.
Bob is presently 6 years older than his sister Kathy. Three years ago, Bob was twice as old as Kathy.How old is each now?3.The larger of the two numbers is 2 less than three times the smaller. If their sum is 16, find thenumbers.4.The larger of the two numbers is 5 less than four times the smaller. If their sum is 30, find the num-bers.
A 15-foot-long beam is cut into two pieces so that one piece is 7 feet longer than the other. How
long will each piece be?