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nlexa [21]
3 years ago
6

Dorothy types 120 words a minute. how many does Dorothy type in 1.75 minutes?

Mathematics
2 answers:
vekshin13 years ago
6 0
Dorothy can type 120 words per minute. Which can also be represented by
120 x 1 (minute)= 120

If you want to know how many words it takes her for 1.75 minutes, simply multiply 120 by 1.75.
120 x 1.75 (minutes)=210
Answer: 210 words
tatuchka [14]3 years ago
6 0
120/4=30/4=90

0.75=90

<span>120+90=210 in 1.75 mins</span>
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Answer: $7800 was invested at 9%

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Step-by-step explanation:

Let x represent the amount invested in the fund that paid a dividend of 9%.

Let y represent the amount invested in the fund that paid a dividend of 3%.

Last year, the first fund paid a dividend of 9% and the second a dividend of 3%, and you received a total of $879. This means that

0.09x + 0.03y = 879- - - - - - - - - 1

This year, the first fund paid a 10% dividend and the second only 1%, and you received a total of $839. It means that

0.1x + 0.01y = 839 - - - - - - - - - -2

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0.09x = 879 - 177

0.09x = 702

x = 702/0.09

x = 7800

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