Tuesday, November 11, 2014

Justine's Proportion Problems



1.) To make lemonade you need 6 lemons and 8 cups of water. How many lemons do you need if you have 24 cups of water?

Let x:how many lemons you need.

Steps:word ratio, ratio table, find x

Model:                                                                 Work:



Answer Statement: The lemons you need if you have 24 cups of water is 18 lemonades.



2.) Darrel drove 187 miles in 3 hours. What was Darrel's average rate of speed in miles per hour?



Let x:be the miles per hour.

Steps:word ratio,ratio table, and find x

Models:                                                                Work:












Answer Statement: Darrel's average rate of speed in miles per hour is 62.3/hour. 

Question:
~At discount copy 12 copies cost $0.66. Melissa needs 56 copies. How much should they cost?



3 comments :

  1. This comment has been removed by the author.

    ReplyDelete
  2. The copies should cost $18
    0.66x=12 1
    0.66x=12
    0.66 0.66
    x=18

    ReplyDelete
  3. The copies should cost $3.08
    12*x = 0.66*56
    12x = 36.96
    ___ _____
    12 12
    x = 3.08

    ReplyDelete