The regular price of a child's entry ticket to a water park is $6 less than that for an adult's. The park offers half off of all entry tickets during the off-peak season. The Jordans paid a total of $69 for 2 adult tickets and 1 child's ticket to the water park during the off-peak season. The following equation represents this situation, where x represents the regular price of an adult ticket.
69 = x + one-half(x - 6)
What is the regular price of a child's ticket?
$38
$42
$48
$66
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OpenStudy (anonymous):
lets get you to do this one. 69 = x + 1/2(x-6). First step expand the bracket then group the x's together :)
OpenStudy (anonymous):
:S Im stuck
OpenStudy (anonymous):
can you expand 1/2(x-6)?
OpenStudy (anonymous):
1/2x - 3 ?
OpenStudy (anonymous):
good
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OpenStudy (anonymous):
so x +1/2(x-6) is x + 1/2x -3, ok?
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
so 69 = x +1/2x -3. Now x + 1/2 x =....?
OpenStudy (anonymous):
Ugh Im stumped again..
OpenStudy (anonymous):
you are ok with 69 = x +1/2x -3. all we did was expand the bracket. :)
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OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
now to solve this you have to collect the x's together so you need to add x and 1/2x together
OpenStudy (anonymous):
So would it equal 1x ?
OpenStudy (anonymous):
1x + 1/2x = 3/2x. so theen u have 69 = 3/2x -3. tht ok?
OpenStudy (anonymous):
This is hard!
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OpenStudy (binary3i):
let x be the regular adult ticket
equation
69= x + (x-6)/2
69=x+x/2 -3
69=3x/2 -3
72=3x/2
48=x
so your answer is 48.