Answer:
x = 4 , y = ⅕
Step-by-step explanation:
2x + 5y = 9 (1)
3x - 5y = 11 (2)
Add (1) and (2)
5x = 20
x = 4
Using (1), find y
2(4) + 5y = 9
5y = 1
y = ⅕
Answer:
117
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Step-by-step explanation:
The answer of this question is gonna be A
C) They solve the same number of problems per minute
172.5 Divided by 2
115 divided by 2
= 57.5
Equal because 30 is the median and when you find the mean, it is also 30. Please give brainliest!