Answer:
7 - n
Step-by-step explanation:
Answer:the length 7
Step-by-step explanation:each one is times 3 6x3 8x3 3x7=21
What is the question? no question has been asked. need more info to solve.
1:3 can be another ratio of black fish to white fish
X would have to equal 2 because when you multiply that by 7 you get 14 then add 3 and you get 17