Answer:
blahhh
Step-by-step explanation:
blah blah bh b
(1 - 0.42)*150 = 63
0.58*150 = 87
87 packages were not priority mail.
Answer: la respuesta es 24
Step-by-step explanation:
Use substitution
Plug in -5x for y in the second equation
x + 3(-5x) = 28
x - 15x = 28
-14x = 28, x = -2
Now plug in -2 for x in first equation
Y = -5(-2) = 10
Solution: D. (-2, 10)