Answer:
32
Step-by-step explanation:
80 x 40 = 3,200
3,200 / 100 = 32
the right answer is d.
just use CAST relation
8
answer is x=3 and y=5.... so it is (3,5)
you want to combine them so y=3x-4 so subsitute y
-2x+5(3x-4)=19
-2x+15x-20=19
+20 +20
13x=39
--- ---
13 13
x=3
now subsitute 3 into x into any problem...
3(3)-4=y
9-4=y
and 9-4 is 5 so it is...
(3,5)
pls give me brainliest
