Answer:
x = - 10
Step-by-step explanation:
Average is calculated as
average = , thus
= 3
Multiply both sides by 3 to clear the fraction
19 + x = 9 ( subtract 19 from both sides )
x=-10
:)
570
$69.50
.60 + .60 + .60 + .60 + .60 = 3
72.50 - 3 = $69.50
eys
Idk tbh