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Ad libitum [116K]
3 years ago
7

Nina can type 128 words is 4

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

1920

Step-by-step explanation:

Nina can type 128 words is 4 minutes. At this rate, how many words can Nina type in an hour?

60 divided by 4 is 15

15x128= 1920

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My brain stopped. I need help
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Step-by-step explanation:

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How many ml of 20 percent acid should be added to pure acid to make 70 ml of 30 percent acid?
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