It says that she ate 4 times as many as Reagen and r represents the number that Reagen at so it would be 4r. While v represents how many Olivia ate which is 4r so 4r = v.
Step-by-step explanation: If it is two minutes before then they would say t-minus two minutes. Two minutes after would be t-plus two minutes, and so on. Please correct me of any mistakes.