Answer:

Step-by-step explanation:




Your answer:
<span>Equation:
x(x+1) = 2(x+1)+77
-----
x^2+x = 2x+79
x^2-x-79 = 0
------
This quadratic does not have an integer solution.</span>
Answer:
6 cup of milk
Step-by-step explanation:
From question
for 11 cookies →
of a cup of milk required
Now,
for 99 cookies
we multiply both sides by 9.
11 × 9 =
× 9
for 99 cookies = 6 cup of milk