how many outfits could you make if you had three pairs of pants, three shirts, and two pairs of shoes?
1 answer:
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Answer:
The biologist collected 60 fern samples.
Step-by-step explanation:
This question can be solved by a system of equations.
I am going to say that:
x is the number of fern samples collected
y is the number of moss samples collected
A biologist collected 230 fern and moss samples.
This means that
There were 110 fewer ferns than moss samples.
This means that
How many fern samples did the biologist collect?
we want to find x
From the second equation
Replacing in the first equation
The biologist collected 60 fern samples.
Answer:
Step-by-step explanation:
The equality must satisfy the following:
A total of 195 students and 10 adults with 40 students per bus at most.
If the students it can take is at most 40, we must consider the adults as well. This maximum excludes the adults so therefore the actual amount of students must be less the 40 to allow adults on the bus as well.
We can solve for n:
The number of buses need for this trip must great than 5.