4 * 21 = 84
12 + 18 + 28 = 58
84 - 58 = ?
If the average of these four numbers is 21, find the missing number.
12, 18, 28, ?
What is the missing number and why
10 answers
26!
Yes!
12+18+28+x/4=21 58+x=84 x=84-58=26
26
26!!!
If the average of these four numbers is 21 find the missing number 12,18,28,_,_,_.
26
26
IDK HOW BOUT U
1 answer