Answer:
35x.40=14
Step-by-step explanation:
you multply $35 by .40 because that is the remaining cost from 60%
Its A. x=4
procedure: 3*equation1 - 2*equation2 ⇒ x=4
23
because
the pattern is
(5 10) ..1.. (15 20) ..2.. (25 30) ..3..
..1... = 3
..2.. = 13
so ..3.. = 23
Slope is 2 because it goes up by two and over by one
