pchisholm100
26.07.2019 •
Mathematics
Jared is in charge production in a factory that makes lightbulbs. the factory made 2648 lightbulbs over the weekend. jared wants to pull a sample of these bulbs for testing. which sample would give jared the most -accurate test readings ? —a sample consisting every 20th lightbulb- a sample consisting every 40th light bulb- a sample consisting every 50th lightbulb- a sample consisting every 100th light bulb?
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Ответ:
Ответ:
105:175
Step-by-step explanation:
3+5 = 8
3/8 of 280 is 105.
5/8 of 280 is 175.
the ratio is 105:175
next we have to simplify it:
divide both sides by 5:
21:35 divide both sides by 7=
3:5