To find the percentage using a fraction, you need to get the denominator to equal 100. With the fraction 18/20, you can do this by multiplying by 5, which gives you 90/100 which is 90%.
I hope this helps!
The equation 
represents the total cost, c, of buying x number of adult tickets and y number of child tickets.
Express 
Now divide this equation by 5:
Answer: correct choice is A
<span>24.
The number of results is simply the product of the number of possibilities for each object tossed. Each coin may lands heads up, or tails up, for 2 possibilities each. And the die may land with 6 possible faces up. So the number of possibilities is 2 * 2 * 6 = 24.
So the total number of possible results is 24.</span>
It should be $80.50.
Divide 23 by 200,
Times that number by 700,
Wella! there's your answer.
~Glad to help.
