i need some help

Sorry! I will proofread next time. 

A mathematician works for  thours per day and solves p problems per hour, where t and p are positive integers and 1

It's too long to post so here's the second part:

1

I think it might be latex that is messing up. 

Try rewriting the entire problem, without latex from a copy/paste. 

=^._.^=

A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1