Answer:
d. 325
If 20 percent of the animals are amphibians and yiu are trying to find the total amound of numbers in the zoo you first have to realize that 20% is equal to 1/5. Then since you are trying to find the total and not decrease the number, you get the reciprical of 1\5, which is 5/1 and multiply it by 65/1 . 5 × 65 equals 325.
-4,7 I believe !sorry if it is wrong
Answer:
3w² = 243
Step-by-step explanation:
Width = w
Length = 3w
Area = 243 square units
length *width = 243
3w * w = 243
3w² = 243
Add 15 to both sides (15&57)
15 cancels out so then you just add 15 and 57 and you get 72
now you divide 57 by 8 and you get 7.125
w = 7.125