The equation has one solution, x = -7.
Answer: There are 13 slices when Dario cuts .
Explanation :
Since we have given that
Quantity of parmesan cheese is given by

Quantity of ricotta cheese is given by

Quantity of mozzarella cheese is given by

Now, total quantity of cheese Dario have

Now,
According to question, Dario cuts the lasagna into several equal slices and each containing exactly

So,
Number of slices is given by

Hence, there are 13 slices when Dario cuts .
Answer:
4/6 of a book in an hour
Step-by-step explanation:
1/6 = 1/4
1/4 x 4/1 = 1
1/6 x 4/1 = 4/6
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Answer:
(9-9x) - (3-x)
Step-by-step explanation:
(4x2 -9x +1) - (5x2 -x -7)
4x2+1= 9. 5x2-7= 3
(9-9x) - ( 3-x)