Question

THE RATIO JOE`S BLUE BOATS TO GREEN BOATS IS 5:7 JOE HAS 15 BLUE BOATS. HOW MAY GREEN BOAT DOES JOE HAVE?

Answer 1

21 because you do 7 times 3. you do this becuase you did times three to the other side

Answer 2

the answer is 21. (3×7)