(a) Pablo runs 8 miles in 72 minutes.
How many minutes does he take per mile?
minutes per mile
(b) At Cheng's Bike Rentals, it costs $23 to rent a bike for 4 hours.
How many hours of bike use does a customer get per dollar?
Il hours per dollar

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?

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2

How can writing phrases as algebraic expressions you solve problems?