A squirrel burrowed 10 holes in 8 minutes how many holes could the squirrels burrow in 12 minutes

Ineed if you could explain and give me the answer you! this needs done

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

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