2 Would be the answer.
Hope that helps!!
Answer:
Jack must Answer minimum 28 question correctly in order to get A in Science.
Step-by-step explanation:
Given:
Percentage required = 92%
Total Number of question = 30
We need to find the number of Question answer correctly.
Solution:
number of Question answer correctly be 'x'
So we can say that;
number of Question answer correctly divided by Total Number of question multiplied by 100 should be greater than or equal to percentage required.
framing in equation form we get;
Now Dividing both side by 
we get;
Hence Jack must Answer minimum 28 question correctly in order to get A in Science.
Answer:
9 pints.
Step-by-step explanation:
All you have to do is add together the pints they each picked for the total amount they picked together.
Let x = Pacific Paradise
You can set up the equation like this:
x + (3x - 25) + (x + 18) = 928
(Combine like-terms)
5x - 7 = 928
(Add 7 to both sides)
5x = 935
(divide by 5 to both sides)
x = 187 (# of deluxe staterooms Pacific Paradise)
Next to find the # of deluxe staterooms of the other cruise ships create two equations
Let y = Carribean Paradise
x + 18 = y
(plug in the value of x which is 187)
187 + 18 = y
(combine like-terms)
205 = y (# of deluxe staterooms Carribean Paradise)
Let z = Mediterranean Paradise
3x - 25 = z
(plug in the value of x which is 187)
3(187) - 25 = z
(follow PEMDAS to simplify and combine like-terms)
536 = z (# of deluxe staterooms Mediterranean Paradise)
Finally check your answer by adding up all of your answers to make sure it equals 928
536 + 205 + 187 = ? (928!)
Answer: The number is 14
Step-by-step explanation:
A number is increased by 20: (X + 20)
Then doubled: 2(X + 20)
5 times the number: 5X
2 less than 5 times the number: 5X - 2
Setting the bold statements equal: 2(X+20) = 5X - 2
Distribute left side: 2X + 40 = 5X - 2
Move X's: 40 = 3X - 2
Move numbers: 42 = 3X
Divide both sides by 3: X = 14
