The answer is 23.2 I just entered the data into an online standard deviation calculator.
Answer:
x=35 y=21
Step-by-step explanation:
x:y=5:3 x is in the 5 times table and y is in the 3 times table both of them added are in the 8 times table
8*<u>7</u>=56
7*5=35
7*3=21
21+35=56
The answer is 20 ,80-60=20
Answer:
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Step-by-step explanation: