Total number of drinks sold = 45 + 31 + 47 +27 = 150
Lemonade and ice tea = 45 +27 = 72
Divide the number of lemonades and ice tea drinks sold, by the total number of drinks sold.
72 / 150 = 0.48
Multiply by 100
0.48 x 100 = 48% (option A)
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