Answer:
Multiplying 4 and 3 by 15 gives 60 and 45. 3. Multiply 4 by 150 to get 600 and multiply 3 by 150 to get 450. Or use problems 4 and 5 together: problem 4 shows that 600: 450 is equivalent to 60: 45 and problem 5 shows that 60: 45 is equivalent to 4: 3.
Explanation: