Answer:
Stephanie brought the 20 chocolate for $50
Step-by-step explanation:
If she have $60 and only have $10 left that would me that the chocolate are $50
You have to set up a system of equations
x+y=104
3x-y=104
Sodas = 78
Hotdogs = 26
84o students would be expected to play outdoor games for at least three hours every week.
The sample showed that 70% students played outdoor games for at least three hours every week. 70% of 1,200 is 840.
Sometimes it helps to draw it out...
(17)
C_______M_________Q
|___________________|
21
therefore, CM + MQ = CQ
17 + MQ = 21
MQ = 21 - 17
MQ = 4 <===
Domain of 5x^2 + 2x - 1 is all real numbers.