Tessa bought stock in a restaurant for $215.00. her stock is now worth $258.00. what is the percentage increase of the value of tessa's stock?

Answer

20%

Step-by-step explanation:

% increase = (258-215)/215*100

= 43/215*100

= 1/5*100

=20

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(0,2)

Step-by-step explanation:

Multiply each equation by the value that makes the coefficients of  y  opposite.

3*2x-y=3*-2

Simplify

6x-3y=-6

Add the two equations

10x = 0

Divide both by 10 and simplify

x=0

Substitute x into the equations.

4*0+3y=6

3y=6

2

y=2