Answer:
He should sell each pen of Rs.0.8625 so as to make a gain of 15%
Step-by-step explanation:
- Cost price of 100 pens = Rs.75
- Cost price of 1 pen=
= 0.75
Gain=


SP = CP+Gain = 0.75+0.1125=0.8625
<u>So, He should sell each pen of Rs.0.8625 so as to make a gain of 15%</u>
#Learn more:
By selling 60 pens a shopkeeper gain the cp of 15 pen. If he bought 20 pens in rs36. Find the sp of one pen
brainly.in/question/15083989
https://brainly.in/question/7469007
Answer:
a = -86.
Step-by-step explanation:
By the Factor Theorem, if x + 4 is a factor then P(-4) = 0, so:
P(-4) = 2(-4)^3 - 11(-4)^2 + a(-4)- 40 = 0
-128 - 176 - 4a - 40 = 0
-4a = 128 +176 + 40
-4a = 344
a = -86.
17 because you need to multiply