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Dmitry [639]
3 years ago
13

A chef made 30 donuts in 60 minutes. How long would it take him to make 90 donuts?

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
6 0

\bf \begin{array}{ccll} donuts&minutes\\ \cline{1-2} 30&60\\ 90&x \end{array}\implies \cfrac{30}{90}=\cfrac{60}{x}\implies \cfrac{1}{3}=\cfrac{60}{x}\implies x=180

kicyunya [14]3 years ago
3 0

Answer: 180 minutes

Step-by-step explanation:

Cross multiply

90*60 = 5400

5400/30 = 180

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