Answer:
-3(x-y)
Step-by-step explanation:
the difference of x and y = x - y
negative three times the difference of x and y
= -3 * (x-y)
= -3(x-y)
its the second one -3(x-y)
x=3
6.40 saved 33.60 needed
She needs $40 *16% = $6.40
$6.40 saved - $40 = $33.60 needed
See the attached picture for explanation.
120 degrees the sum of all angle is 720 degrees In the above
