An amusement park charges $28 to enter and $0.50 per ticket

(Solve)

Answers

Answer 1

Answer: isn't the ticket the entrance fee?
oh well,
assuming that
each person paid 0.50 to enter

if a certain gropu paid 28 to enter, how many peple

total cost=costperperson times numbe rof person
28=0.5 times number of persons
divide by 0.5 or multiply both sides by 2 (same thing)
56=number of person

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4m-17 <6m+ 25 I don't understand ahh I'm scared I got it wrong

Answers

4m - 17 < 6m + 25 (subtract 4m from each side)

-17 < 6m - 4m + 25

-17 < 2m + 25 (subtract 25 from each side)

-17 - 25 < 2m

-42 < 2m (divide 2 from each side)

-42/2 < m

-21 < m

The answer is m > -21

I got another problem on substitution on linear equations... I'm very confused. How do I know which one to start? How do I know what to do? Is there any simple explanations? x -2y =5
3x - 5y =8

Can you help me do this in the simplest way please? I'm kinda struggling to get this concept down... :(

Answers

Don't worry, you just have to get used to these problems! You can do it girl!!

So, it doesn't matter where you start. I would start finding the x in the first equation, like this:

x - 2y = 5
x = 5 - 2y

Which is really easy, isn't it?
Now you know that x is equal to 5 - 2y, so you can substitute the x in the second equation. (You could have done the same solving by y, it doesn't matter :D )

3 ( 5 - 2y ) - 5y = 8

15 - 6y - 5y = 8

- 6y - 5y = 8 - 15

-11y = -7

y = -7/-11 = 7/11

Now you found your y! Let's substitute it in the first equation. (The beginner one, not the one that you worked on)

x - 2 (7/11) = 5

x - 14/11 = 5

x = 5 + 14/11

x = 69/11

I know you got it now! ;) Otherwise ask me whatever you want!

If t(n) equals 5-2n, what is the 4th term?
Work out 3/4 of 7kg

Answers

easy
f(n)=5-2n
f(4)=5-2(4)
f(4)=5-8
f(4)=-3

-3 is 4th term

3/4 of 7kg=3/4 times 7kg=21/4kg=5 and 1/4kg

you are thirsty so a friend has offered to give you 50% of his water what information must you have in order to find out how much water your friend will give you