1 is 0.0012. 2 is 3.25 and 3 is 3.25
First, you would need to determine how many questions he got correct.
30 - 12 = 18
Next, you would need to create an equation for this problem. Let x represent the unknown percentage.

=

Now, you would cross multiply.
30x = 1,800
The last step would be to isolate the x. To do this, you would divide both sides of the equal sign by 30.
x =
60Ahmad got 60% of the questions correct. I hope this helps!
Answer:
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Answer:
x = 37
Step-by-step explanation:
by using vertically opp angles
2x + 1 = 75

Answer
D.
Step-by-step explanation:
48/4=12
$12 for 1 adult
10-4=6
42/6=7
$7 for 1 child