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<h2>Explicación paso a paso Espero que te ayude</h2>

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Step-by-step explanation:
80+60+x+51= 180
191+x= 180
x= -11
A = 3.5
b = 3.5
c = 2.5
d = 2.85
e = 2.6
The two unit rates that are equal are a and b
28 per 8 salads and 42 per 12 steaks have equal unit rates.
Answer:
If a quadrilateral is a parallelogram, then each intersects the other ________________________ at its ______________________. Because this is so, we can say that the_____________________ of a ________________ also ______________________ each other.