First, we would need to figure out how many shelves are needed to build 1 bookcase. To do that, you would need to divide the number of shelves by the number of bookcases it can make.
65 ÷ 13 = 5
Now we know, it takes 5 shelves to build a single bookcase. The next step would be to find out how many shelves it would take to build 6 more bookcases. To find the answer, you would multiply the number of shelves it takes to build 1 bookcase by the number of bookcases that need to be built.
5 x 6 = 30
So, yes, 32 shelves would be more than enough to build 6 more bookcases.
Rosetta drove her car 80 miles in one hour. Assuming that you ate talking about miles per hour you decide 160÷2=80 therefore, she drove 80 miles per hour (80/mph)