Need help geometry question central angles and arcs !!! PLS HELP
1 answer:
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Karen has $30, Rafael has $75 and Shen has $25.
Step-by-step explanation:
Given,
Total amount they have = $130
Let,
Amount of Karen = x
Amount of Rafael = y
Amount of Shen = z
According to given statement;
x+y+z=130 Eqn 1
Shen has $5 less than what Karen have.
z = x-5 Eqn 2
Rafael has 3 times what Shen has;
y = 3z Eqn 3
Putting value of z from Eqn 2 in Eqn 3
Putting value of y and z from Eqn 4 and 2 in Eqn 1
Dividing both sides by 5
Putting x = 30 in Eqn 2
Putting z=25 in Eqn 3
Karen has $30, Rafael has $75 and Shen has $25.
Keywords: linear equations, substitution method
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