The term 'average' refers to the 'middle' or 'central' point; when used in mathematics the term average refers to a number that is a typical representation of a group of numbers (or data set).
You can calculate it in mean, median or mode.
Hope this helps, have a good day. c;
Answer:
x = 11
Step-by-step explanation:
Given the expression;
5x+2y=67 ...1
x=3y−7 ....2
Substitute 2 into 1
5(3y-7)+2y = 67
15y - 35 + 2y = 67
17y = 67+35
17y = 102
y = 102/17
y =6
Recall that x = 3y - 7
x = 3(6) - 7
x = 18 - 7
x = 11
Hence the value of x is 11
Answer:
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Step-by-step explanation: