63=21% of all
percent is parts out of 100
63=21/100 of all
times both sides by 100/21
6300/21=all
300=all
all-wednesday=thu+fri
300-63=thu+fri
137=thu+fri
they collected 137 cans on thursday and friday combined
Answer:
4+2=6
Step-by-step explanation:
zx is just z * x 2*2 = 4
4+2=6
Answer:
S/PS
Step-by-step explanation:
S-C=PS
S/PS=C
Answer:
go to the link
Step-by-step explanation:
https://answers.yahoo.com/question/index?qid=20070620063730AAaJuXa
or
These questions are SOOO easy, but I just don't have a clue. (don't even know if they technically are algebra they are that easy).
x² - 8x - 20 =
(x+10) (x-2)
Thats what I got for that answer (lucky guess) but how do you know which side each sign goes on.. ie (x+10)(x-2) or (x+2) (x-10)??
Same problem with this question...
(x-6) (x-5) =
x² - 11x + 30