Answer:
18/5
Step-by-step explanation:
5 1/5 = 1 thus 3 are 15 + 3 = 18/5
I believe the answer is D.
Answer:

Step-by-step explanation:
If each whales weighed

Then 30 whales weighed



Applying the law of indices we obtain


14(8-W)=0
(14*8)-(14*W)=0
112-14W=0
-112 -112
------------------- The answer is 8
-14W= -112
-14W/(-14)= -112/(-14)
W=8
The answer is 52.
65 x 0.8 = 52.