Answer:
4=24
Step-by-step explanation:
because 18/3 is 6 and so is 30/5=6 so we now know that the rate of change is 6
okay. :))
on number 15, your answer is 24. this is becasue 3(6)=18 and 5(6)=30, and so you plug in 6 and multiply it by 4, which is 24. hope this helped, good luck!
