If you have a picture of the problem I can answer it so just send a pic of the math problem
Answer:
A = 800, B = 200, C = 400 Andy D = 400
Step-by-step explanation:
1) 2a = 9b ⇒ 2:9
2) a + b = 3b ⇒ a = 2b ⇒ 1:2
Answers: 2:9 and 1:2
595 minus 63 = 532
---------------------------