John wants to raise more than $300 for charity. His parents donated $50. John plans to ask others to contribute $10 each. How many people will need to contribute for John to reach his goal?
John needs more than people to reach his goal.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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?