Miscellaneous

If x = 6y, y = 3z, and 4z = w, what is w in terms of x?

9x/24
2x/9
18x/2
x/18
x/36

A recipe consists only of oats, corn, and rice in the ratio by weight of 2 to 0.5 to 3, respectively. If there are a total of 2.2 pounds in the mixture, how many pounds of corn are in the mixture?

A crowd is made up of adults, teenagers, and infants in the ratio of 1 to 2 to 4, respectively. Which of the following could be the total number of people in the crowd?

82
83
84
85
87

 
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