Answer:
So sum 49+22.88=71.88
Difference is 49-22.88=26.12
Step-by-step explanation:
Answer:
4140
Step-by-step explanation:
The formula for sum of interior angle is (n-2)180
so since the number of side is 25. substitute 25 in place of n
which is (25-2)180. which is 4140
Let x be the price of each pen and y be the price of each pencil. From the given, the equations that are described are,
6x + 8y = 8.50
4x + 4y = 5
Solving for x and y simultaneously gives an answer of x = 0.75 and y = 0.5.
Thus, each pen costs $0.75 and each pencil costs $0.50.
There is a 71.42857142857143% percent increase you could round that to 71.43%
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