sophiaa23
22.01.2020 •
Mathematics
At a conference of 250 people, 30% of the participants are french, 35% are americans, 20% are germans, and the rest are of other nationalities. how many french participants are at the conference?
50
75
150
175
Solved
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Ответ:
To find how many this is, convert the percent to a decimal and multiply the decimal by the total number of participants.
30% = 0.3
0.3 • 250 = 75
75 of the participants were French.
Ответ:
y = 1/7x + 0
Step-by-step explanation:
3x + 21y = 21
21y = -3x + 21
y = -3/21x
y = 1/7x