Answer:
168
Step-by-step explanation:
(11 +17) ×12 /2
28×12 /2
=168
all about formule
Answer:
The population is everyone listed in the city phone directoy; the sample is the 75 people selected
Step-by-step explanation:
A.) Distribute the outside to each term
Remember, when you multiply exponents you add the numbers together
Step-by-step explanation:
the first step is to find the cost price
when 20% discount=
11250*80/100= 9000
the 20% discounted price is 9000
there is still a 20% profit in this 20% discount
so Cost.Price *120/100=9000
Cost price= 7500
now its asking for discount percentage at 3% profit so first calculate price after 3% profit
7500*103/100= 7725
so discount on rs11250 required to produce 3% profit=
11250*x/100=7725
x= 68.7% discount
