nicky123415
03.01.2020 •
Mathematics
If a lineman can install 12 insulators in 183/4 hours, how many insulators should he be able to install in 281/8 hours?
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Ответ:
9
Step-by-step explanation:
12 insulators = 183/4 hours
x = 281/8
x × 183/4 = 12 ×281/ 8
183x/4 = 6 × 281/4
183x / 4 = 1686 / 4
4 cancel out 4
183x = 1686
Divide bothside by 183
x = 1686/183
x= 9.21311
x = 9 approximately.
Ответ: