Answer:
36 trees were infected with the virus.
Step-by-step explanation:
Given:
Total number of trees = 90
Percentage of tree that had virus 40%
To find:
Number of tress that were infected by virus = ?
Solution:
Let the number trees that was affected by the virus be X.
then
X = 40% of 90
X =
X =
X= 36
wait wait wait I feel like I did this before but I don't at the same time-
I have no brain too so yeah sorry- :((
You can set it up like:
400/2.5 = 600/x; now cross multiply
400x = 2.5(600)
400x = 1,500; now divide both sides by 400 to isolate the x, and you get x = 3.75 hours
Don't take my word completely, but my answer I believe is letter C. I just drew a graph and wrote it all down. I got C.
Yes; you would have to add $40.49+$19.90 to get the total amount spent and the store.
D $60.39