Let 
be the cost, respectively, of a notebook and a pen. If you buy 2 notebooks and 3 pens (which we know is a cost of $14.50), you spend 
Similarly, if you buy 1 notebook and 2 pens (which we know is a cost of $7.50), you spend 
These two equations form the following system:
Multiply the second equation by 2:
Subtract the first equation from the second:
So, a pen costs 0.5 dollars. Plug this equation in the second equation:
Answer:
Option D. 
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above
<span> y = 1/2 = 0.500 :) hope that helped</span>
Answer:
Step-by-step explanation:
x = large bag, y = small bag
x + y > = 15...thats greater then or equal
4x + 2.5y < = 50....thats less then or equal
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he can get 6 lg bags and 10 small bags
Answer: Yes this equation is true.
How Do I know? Well, let's graph this and the answer is (0,32)
