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irga5000 [103]
3 years ago
9

BRAINLIEST ANSWER!!

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0
<span>B. R
Divide the cost by percentage of time to find rates of dollars per time. 
P= 400/35 =11.428
Q=350/30 = 11.666
R= 200/25 = 8
S= 180/20 = 9
T= 150/15 = 10
R is the smallest amount of dollars per tim so it gets more ad time per dollar.

</span>
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