Solve the following equation for y. -19x +2y = 7
2 answers:
You might be interested in
Answer:
, 9
Step-by-step explanation:
=
÷
=
=
= 9
Answer:
40 minutes
Step-by-step explanation:
Let c represent the number of minutes it would take colleen to finish the job when he is working alone. Hence, it can be represented by the equation:
Solving the quadratic equation to get c gives:
c = -12 and c = 40
Since the time cannot be negative, hence c = 40 minutes.
It would take colleen 40 minutes to clear the yard of leaves alone
