Two Schools planned separate trips to the state fair. School A filled 12 vans
and 13 buses with 683 students School B filled 13 vans and 5 buses with 313
students. Every van had the same number of students in it as did the
buses. How many students were in each van and bus?

Can someone me with this problem . show your work .

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18