Answer:
The equation is 
The value of x is 28 cookies
Step-by-step explanation:
Let
x ----> the number of cookies she baked last week
we know that
The number of cookies she baked last week multiplied by 3 minus 4 must be equal to 80 cookies
so
The linear equation that represent this situation is

solve for x

Answer:
There would be 473 turnips.
Step-by-step explanation:
(6 times 2x) + (6 times 5y)
Answer:
its 780 minutes
Step-by-step explanation:
multiply 13 by 60