Question
Ruth is twice as old as Pat. In 4 years ruth will be three times as old as Pat was 3 years ago. How old is each now?
Answers
scott
R = 2 P
R + 4 = 3 (P - 3)
substituting ... 2 P + 4 = 3 P - 9
R + 4 = 3 (P - 3)
substituting ... 2 P + 4 = 3 P - 9