A Dept of #450 is to be paid in monthly instlaments of #50 how many month will it take to finish paying the debts​

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Will give brainliest summations with algebraic expressions image shown

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top