if there are 4 numbers that average to 60, when mutiplied they must come up to: 60*4= 240
100+30+45= 175
240-175= 65
PROOF:
100+30+45+65= 240
240÷ 4
= 60
Answer:
x=65
Step-by-step explanation:
Mean= sum of terms
number of terms
60=30+45+x+100
4
240=175+x
x=240-175
=65
