If y varies directly with x and y = 87 when x = 3, find y when x = 5. Write and solve a direct variation equation to find the an
1 answer:
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Answer:
40 comic books
Step-by-step explanation:
Let x be the Jill comic books.
Given:
Jill sold half of her comic books and then bought sixteen more. She now has 36.
Therefore the algebraic equation of the given statement.
--------(1)
Now we solve above equation for x.
Subtract by 16 both side of the equation 1.
Multiply by 2 both side of the above equation.
Therefore, Jill had 40 comic books.
Answer:
Step-by-step explanation:
After x=2, we see that the change in y over the change in x is positive since both variables increase with each other, so is where the function is increasing.