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In a survey of 50 people about their morning drink, 18 chose tea, 14 chose coffee, $x$ chose milk and $2 x$ chose juice. How many chose juice?

Class 7Frequency Tables and Tally MarksData Handling

A6
B9
C12
D18

Step-by-Step Solution

18 + 14 + x + 2 x = 50

, so

3 x = 18

and

x = 6

. Juice =

2 x = 12

. (6 is the number for milk.)

Answer: C) 12

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