Develop two equations that would model the given situation. make sure you state the variable i. e. x= # of chairs.

1)school district has small buses that carry 12 passengers and large buses that carry 24 passengers. the total passenger capacity is 780. there are 20 more small buses that large buses.

2) a store sells wheel for roller skates in packages of 3 and in packages of 2 wheels. there are 40 packages in display, ant the total number of wheels is 100.