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erma4kov [3.2K]
3 years ago
7

Anyone know how to do 3 or 4???

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
3 0
There are 13 students in Sara's class. I did this by using 8 = 3/5x, x being the total number of students. The answer is 13.33334 but you cant have half a student so it rounds down to 13.
also number 4 can be any positive number. This is because if you take one fourth of a negative number it will be more than if you doubled it. for example 1/4 of -4 is -1 which is more than -4 doubled which is -8
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