At a zoo, 20% of the animals are amphibians. If 65 animals are amphibians, how many animals are in the zoo?
A: 13
B: 130
C: 260
D: 325

Step by step explanation please!

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?