anonymous
  • anonymous
Need help Please I have to have this turned in NOW!!!! 1.Tony and Belinda have a combined age of 56. Belinda is 8 more than twice Tony’s age. How old is each?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I just helped you with this question! If you were confused you should have said so instead of closing the question!
anonymous
  • anonymous
OK we had 2 equations. x+y = 56 and y = 8 + x do you know how to solve a system of equations?
anonymous
  • anonymous
srry i was having a conversation with a teacher and i have to have this done and completed

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anonymous
  • anonymous
sorta but not really
anonymous
  • anonymous
I like comparison. In both equations, solve for y=. It's already done for you in the second. Then set the two equations equal to each other, eliminating the y and solve for x.
anonymous
  • anonymous
so just 8 + x
anonymous
  • anonymous
=56
anonymous
  • anonymous
No because you have to solve for y in the first equation. You get x+y = 56 y = 56-x and y= 8 + x so 8+x = 56-x solve for x!
anonymous
  • anonymous
oh
anonymous
  • anonymous
would i first minus eight to both sides?
anonymous
  • anonymous
yes
anonymous
  • anonymous
x = 48 -x
anonymous
  • anonymous
now what?
anonymous
  • anonymous
Add x on both sides
anonymous
  • anonymous
ok so this gives me 48
anonymous
  • anonymous
alone
anonymous
  • anonymous
i mean 2x = 48
anonymous
  • anonymous
ok now divide by 2
anonymous
  • anonymous
24
anonymous
  • anonymous
can u help me with a few more
anonymous
  • anonymous
I'll help you with 1 more but you should be starting to be able to recognize the pattern and figure out how to solve it by yourself
anonymous
  • anonymous
ok
anonymous
  • anonymous
2.Salisbury High School decided to take their students on a field trip to a theme park. A total of 150 people went on the trip. Adults pay $45.00 for a ticket and students pay $28.50 for a ticket. How many students and how many adults went to the park if they paid a total of $4770?
anonymous
  • anonymous
Okay here the variables (x and y) are the number of adults and the number of students. So we can say x = number of adults y = number of students These are the 2 statements: 1. A total of 150 people went on the trip 2. they paid a total of $4770 Can you turn these into equations?
anonymous
  • anonymous
x + y = 150 x45.00 + y28.50 = 4770
anonymous
  • anonymous
????
anonymous
  • anonymous
@BluFoot
anonymous
  • anonymous
Sorry was afk for a sec. Yes that's correct. Now use substitution to solve. Solve for x or y in the first equation and plug it into the second equation
anonymous
  • anonymous
im not sure how to do that
anonymous
  • anonymous
cause first one we did comparison
anonymous
  • anonymous
Let's solve for y in the first equation x+y = 150 y= 150-x Now plug it into the second 45x + 28.5y = 4770 45x + 28.5(150-x) = 4770 now expand and solve for x
anonymous
  • anonymous
umm ok ive never seen that done before now though
anonymous
  • anonymous
OK I have to go, good luck :)
anonymous
  • anonymous
oh ok thanks

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