Answer:
845
Step-by-step explanation:
Because they are similar triangles you can find the scale factor first.
395/553 is the scale factor
(395/553)*280=200
(395/553)*350=250
200+250+395 = 845
Answer:
b
Step-by-step explanation:
bet
Answer:

Step-by-step explanation:
Given
← factor numerator and denominator
=
← cancel common factor (x + 1) on numerator/ denominator
= 
You need to divide 6 by 4/5.
6÷4/5
6 x 5/4
30/4
7 2/4 = 7 1/2 answer
You found $5, so it's positive. You don't put anything in the negative, because you aren't losing anything.