I need some real help!!!!!!!!?

Question

i need some help on my math pleases
can u answer and show your work for these problems:

x over 250 = 18 over 100 &



72 over 60= x over 100 &



2 over x= 5 over 100 &



156 over 80= x over 100

Answer 1

x/250 = 18/100

18(250) = 100x

4500 = 100x

4500/100 = 100x/100

4500/100 = x

45 = x

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72 /60 = x/100

60x 72(100)

60x = 7200

60x/60 = 7200/60

x = 7200/60

x = 120

- - - - - - -

2/x = 5/100

5x = 2(100)

5x = 200

5x/5 = 200/5

x = 200/5

x = 40

- - - - - - -

156/80 = x/100

80x = 156(100)

80x = 15600

80x/80 = 15600/80

x = 15600/80

x = 195

- - - - - - - - -s-

Answer 2

Answer 1:
x/250 = 18/100
x = (250*18)/100
x = 4500/100
x = 45

Answer 2:
72/60 = x/100
x = 7200/60
x = 720/6
x = 120

Answer 3:
2/x = 5/100
2 = 5x/100
200 = 5x
5x = 200
x = 200/5
x = 40

Answer 4:
x/100 = 156/80
x = 15600/80
x = 1560/8
x = 195

Answer 3

I agree - do your own work....

X 18
__ __
250 100

(250)(18) = (100)(X)

4500=100X

4500
____ = 45 = X
100

72 X
__ __
60 100

(100)(72) = (60)(X)

7200=60X

7200
____ = 120 = X
60

2 5
__ __
X 100

(100)(2) = (5)(X)

200=5X

200
____ = 40 = X
5


156 X
__ __
80 100

(156)(100) = (80)(X)

15600=80X

15600
____ = 195 = X
80

Answer 4

All four of these questions are very similar.

We need to use cross multiplication in each.

x over 250 is the same thing as x/250.

So,
x/250=18/100

To find the answer, we have to cross multiply. This means that we need to multiply 250*18, which equals 100*x

250*18=100x

4500=100x
Divide each side by 100
45=x

We can also check our answer to make sure that we are right.

Is 45/250=18/100?
Yes.

I hope that this helps.

Answer 5

x/250=18/100
x=(18/100)*250...multiply by 250
x=4500/100=45

the same goes for the other three problems
just remember, how can I get x by itself on one side
If x is over something, multiply by something
If x is multiplied by something, divide by something

good luck

Answer 6

x = 45
x=120
x=40
x=195

Answer 7

do your own homework!