Set up the ratio for N.A butterflies to S.A butterflies: 5/3=30/x. Solving for x, you get that there are 18 S.A butterflies.
Set up the equation 3/2=30/x. Solving for x, you get that there are 20 European butterflies.
She is incorrect because x^2 can still be factored.
Answer:
Step-by-step explanation:
From the diagram, none of the students play both instruments.
This means the two events are mutually exclusive.
The number of people playing instruments is 20.
Answer:
option 1
Step-by-step explanation:
- we can easily rule out option 2, since 1/25 would not come out to $25 each day.
-we can rule out options 3 and 4 since it was not $75 each day and not $1 for 150 days.
<em>-we can conclude that the correct answer is option 1, 25/1, because if we divide that, we get $25, the amount each day spent.</em>
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hope this helps :)
Answer:
20+3+0.7+0.08+0.005
Step-by-step explanation:
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