Your schools talent show will feature 12 solo acts and ensemble 2 acts. The show will last 90 min. The 6 solo performers judged best will give a repeat performance at a second 60-min show, which will also feature the 2 ensemble acts. Each solo lasts x minutes, and each ensemble act lasts y minutes.
A. Write a system of equations to model the situation.
B. Solve the system from part(a). How long is each solo act? How long is each ensemble act?
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OpenStudy (nikato):
So
12x+2y=90
6x+2y=60
OpenStudy (nikato):
To give u a start, subtract both equations to get x
OpenStudy (stormoshawty):
Is that A?^
OpenStudy (nikato):
And with x, substitute that back to the equation to get y
OpenStudy (nikato):
And yes, do u understand how I got those two equations?
.
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OpenStudy (stormoshawty):
yes I do.
OpenStudy (nikato):
Ok, so now u just have to solve for x and y
OpenStudy (stormoshawty):
I got a decimal for x.
OpenStudy (nikato):
U shouldnt
OpenStudy (nikato):
When u subtract the ys cancel out
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OpenStudy (nikato):
So 6x=30
OpenStudy (stormoshawty):
I thought you added the problems.. ohhh. LOL
OpenStudy (nikato):
No u have to subtract. U wanna try to get rid of one of the variables
OpenStudy (stormoshawty):
So. I got y = 15
OpenStudy (nikato):
Yea, and x?
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