Respuesta :

Answer:

first one is c because 10+20+50= 80 and 80 is half of 160

2nd one is 168, 16+8+60= 84 then 84x2 = 168

3rd is 104 because 1/4 x 104= 26, 104-16= 78, then 78-7=71.

Step-by-step explanation:


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