1/3(n+1)=1/6(3n-5)
i really need on how to solve this i know the answer but im confused on how we got it

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Can someone me and do the problem plz so i can understand it more better

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table