Jeffrey has a dog that weighs 3 times as much as sarah's dog. the total weight of both dogs is 64 lb. how much does jeffrey's dog weigh? how much does the average dog weigh? draw a model to show your work.

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?