75%
30/40 means its 75% out of 100%
75$ representing the 30 and the 100$ representing the 40
C) sss similarity
because each side as a partner with half of its value
8in-4in
6in-3in
4in-2in
Probability=blue marbles/total marbles
Probability=5/10=1/2
If you draw from the bag twice...
Probability = 1/2 x 1/2 = 1/4
answer: 1/4
A.25
Work:
-5x-5=25
Hope his helps.