I created this page for math questions...for those of us that are pretty good in solving mathematics and other people who are interested in mathematics,pls don't hesitate to answer and post questions here.....tnx

let start with some this
pls someone should help me answer this question

A student needs at least 3 notebooks and 3 pencils.notebooks cost 60naira and pencils 36naira and the student has 360naira to spend.the student decides to spend as much as possible of his 360naira.
A)how many ways can he spend his money?
B)does any of the ways give him change?if so how much?

2..a car repair workshop uses large numbers of filter,costing 300naira each,and plugs costing 400naira each.The workshop owner allows 30,000naira for these parts and needs at least twice as many filters as plug.there must also be at least 50 filters and 20 plugs..
A)what is the largest number of parts that can be bought,and in what?
B)if it is decided to buy as many plugs as conditions allow,how many of each part can be bought?





Pls show d workings