About topgun

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topgun has written 3 articles so far, you can find them below.


DS Question

Is x > y?

(1) x^0.5 >y

(2) x^3>y

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Problem Solving by topgun

Miguel is mixing up a salad dressing. Regardless of the number of servings, the recipe requires that 5/8 of the finished dressing mix be olive oil, 1/4 vinegar, and the remainder an even mixture of salt, pepper and sugar. If Miguel accidentally doubles the vinegar and forgets the sugar altogether, what proportion of the botched dressing will be olive oil?

a) 15/29
b) 5/8
c) 5/16
d) 1/2
e) 13/27

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What is the Value ?

If 44x = 1600, what is the value of (4x–1)2?

a. 40

b. 20

c. 10

d. 5/2

e. 5/4

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