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lesya692 [45]
2 years ago
6

Tiana's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold 50 espressos in all,

60% of which were single-shot. How many single-shot espressos did the cafe sell?
Mathematics
1 answer:
Step2247 [10]2 years ago
3 0

Answer:

I am pretty sure its 43.48%

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Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Step-by-step explanation:

A multiple of a number is obtained after multiplying the number by an integer.

Here,

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\small 3y^{2}+7y=x

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∵ y is an integer ⇒ 3y + 7 is also an integer,

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I.e.

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Case 3 : neither x nor x - 1 are multiple of y but their product is multiple of y,

Thus, statement (2) is not sufficient.

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