Answer:
14 gel pens/minute
Step-by-step explanation:
divide the amount by time.
210/15 = 14
Answer:
2
Step-by-step explanation:
For any positive numbers a,b we always have the following identity:

(gcd(a,b) denotes the greatest common divisor between a and b, and lcm(a,b) denotes the least common multiple between a and b)
In our case, we are given that
and that
. Plugging that in into our identity, we get:

And so solving for
:

Answer:
y = 6x - 47
or
6x - y - 47 = 0
Step-by-step explanation:

356 days in a year / 7 days in a week = 50.8 weeks in a year
50.8 weeks in a year / 6 weeks = 8.48 payments
$156 x 8.48 payments = $1322.88 per year