2 answers:
Answer:
otterbox costs $95; beats costs $210
Step-by-step explanation:
x = otterbox y = beats
4x + 2y = 800 y = 2x + 20
4x + 2(2x + 20) = 800
4x + 4x +40 = 800
8x + 40 = 800
8x = 800 - 40
8x = 760
x = 760 / 8
x = 95 Otterbox costs $95 each
4x + 2y = 800
4(95) + 2y = 800
380 + 2y = 800
2y = 800 - 380
2y = 420
y = 420 / 2
y = 210 Beats costs $210
4(95) + 2(210) = 800
380 + 420 = 800
Answer:
Otterbox = $95
Beats = $210
Step-by-step explanation:
Let's take o for Otterbox and b for Beats.
4 o + 2 b = $800
b = 2 o +$20
So, 4 o + 2 b = $800 => 8 o + $40 = $800
Therefore,
Otterbox = $95
Beats = $210
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Step-by-step explanation:
Answer:
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Answer:
the second picture doesn't belong with the other 3.
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Substitute the values.
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Final answer: 12
