Question

chandana counted 32 wheels of some buses and cars. if bus have 6 wheels car have 4 wheels. how many buses and cars were there?

Answer 1

there are four buses and two cars were there

Answer 2

let n.o of buses be x and the numbers of cars be y....
then...we have the equation
6x+4y=32.......I got it!!
And, x-y=2 since nth terms are have common difference as the n value
solve it....youll get x=4 and y=2