29 March, 18:09
Cody notices that for every 2 evergreen trees on the school campus there are 7 other trees. If there are a total of 99 trees on the campus how many of them are not evergreen
29 March, 20:04
For each 2 evergreens there are 7 other trees.
Add 2 + 7 = 9.
For each 7 non-evergreens there are 9 trees of all types.
The ratio of non-evergreens to total trees is 7/9.
Let x = number of non-evergreens.
7/9 = x/99
9x = 7 * 99
Divide both sides by 9.
x = 7 * 11
x = 77
Know the Answer?
New Questions in Mathematics
Which are ways that humans can lower biodiversity as they use the environment? CHECK ALL THAT APPLY
The opera station broadcasts at 90.5 MHz and the rock nroll station at 07.1 MHz which station's signal has waves with longer wavelengths and which one has higher energy
Solve 3 q - 5 = 13 for q. q =
Beth files a suit against Cruise Line, Inc. Cruise responds that it appears from the pleadings that the parties do not dispute the facts and the only question is how the law applies to those facts.
Which of the following was best compares an armistice to a peace treaty
Aqueous hydrochloric acid will react with solid sodium hydroxide to produce aqueous sodium chloride and liquid water. Suppose 34. g of hydrochloric acid is mixed with 9.30 g of sodium hydroxide.
How did the colonist use it to get more support for their rebellion
Is 7/8 greater than 3/4
What is the molar mass of C2H6O
True Flight Golf manufacturers a popular shaft for golf clubs. Its trade secret is a unique process for weaving high-tension wire into the center of the shaft such that energy is accumulated during the swing and released at impact.
» Cody notices that for every 2 evergreen trees on the school campus there are 7 other trees. If there are a total of 99 trees on the campus how many of them are not evergreen