Answer:
y=8.1
Step-by-step explanation:
Assume the second number is x, then the other two are x - 2, x + 2
So x-2 + x + x + 2 = 51
-> 3x = 51
-> x = 17
Answer:
B
Step-by-step explanation:
Since x is in an absolute value, we know that no matter what value we put in for x, the result will always be positive. B fits this description.
Answer:
33.69
Step-by-step explanation:
Answer:
$175
Step-by-step explanation:
let the original price be x
if 1/5 is off the price then the sells is at 4/5
4/5 of x = 140
thus,
4/5* x=140
4x = 140*5
x=700/4
x=$175