Answer the question about rate ratios and proportions if you can type 60 words per minute how long would it take you to type a 300 word assignment

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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?

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12