<u>see </u><u>the</u><u> attachment</u><u> </u><u>for</u><u> </u><u>explanation</u>
What is the circumference of a circle with a radious of 7?
1 answer:
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Answer: 161 packages of gift wrap and the 44 packages of greeting cards
Step-by-step explanation:
We are told the class sells 205 packages in total of gift wraps and greting cards:
(1)
Where is the number of packages of gift wrap and
is the number of packages of greeting cards.
In addition, we are told the class receives a total of selling each package of gift wrap for
and each package of greeting cards for
:
(2)
Isolating from (1):
(3)
Substituting (3) in (2):
(4)
Finding :
(5) This is the number of packages of greeting cards
Substituting (5) in (1):
(6)
Isolating :
This is the number of packages of gift wrap
Answer:
16.6
Step-by-step explanation:
a = 14
b = 9
c = x
a² + b² = c²
14² + 9² = x²
196 + 81 = x²
x² = 277
x = 16.6