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this is one expensive place but how many kids went so we can see how many adults went
That's my problem... It doesn't say... that's the whole question. :/
Set up two equations, one for the total number of people that went, and one for the total cost
ok i will try no promises
Call kids x and adults y so x+y=17 since 17 people went now try to make one for the cost
How would I make one for the cost if I don't know how many people went?
17 people went
Use the variables...you know the price for each one and the total cost
could this help y=adult x= child y(53.50) + x(47.25)
$53.50x + 47.25y = 859.50 ???
Okay, adults can be x. thats right so now we have a system of equations x+y=17 53.50x+47.25y=859.50
ok so now what do we do
??? I'm still confused. I'm sorry.. I'm horrible at math and it's been a long day. X(
because we dont know the number of kids
I get what you have so far, but how do we get the number of adults who went?
Solve for y in the first equation
i will try
How.. we don't know what x equals.
Solve for y in terms of x, just isolate y on the left side
okay, so... 47.25y=859.50-53.50x do I have that right so far or am I doing it wrong?
Solve for it in the first equation x+y=17 itll be much easier
okay so... y=17+x ... is that right so far?
yep, now take 17-x and plug that in for y in the other equation
i got to go sorry
What do you mean? like: 53.50x+47.25(17-x)=859.50 ???
Yes, now solve for x
How do I solve for x?
Algebra...just solve like normal theres only one variable now
yeah, but it's 17-x ... gah!! I'm confused. :(
Do you know how to solve an equation?
Yeah, but it's just confusing because there are no real numbers... like 17-x throws me off and gets me all confused.
Like if I were to solve for x, I'd have to isolate the x, but I don't know how in the world to do that because the 17-x is throwing me off and I'm confused on the whole problem now. :( :(
Distribute the 47.25 into the parentheses first
oh... okay, so... 53.50x + 803.25 + x = 859.50 ??? right? What next? (:
You didnt multiply the x.. 53.50x+803.25-47.25x=859.50
ohh... okay. duh. Alright. so 53.50x + 803.25 - 47.25x = 859.50.. now what?
combine like terms and subtract 803.25 from both sides
okay... so I get 57.
thats not right
What? :( 53.50x + 503.25 = 859.50 6.25x + 503.25= 859.50 -503.25 6.25= 356.25 +6.25 = 57
(: YOU ARE AMAZING!! THANKS SO MUCH!!!! :D