Q: It takes Jennifer 20 minutes to groom each of her 2 long hair dachshunds. If she grooms her dogs every day, how many hours does she spend grooming her dogs in 30 days?
A: She has 2 dogs and it takes 20 minutes to groom just 1 dog so it takes her 2 * 20 = 40 minutes per day to groom 2 dogs. In 30 days, she will have spent 30 * 40 = 1,200 minutes grooming her dogs. There are 60 minutes in an hour so she spends 1200 / 60 = 20 hours grooming her dogs. The answer is 20.

Q: A zoo is arranging the layout of its animal enclosures. There are 4 tiger enclosures in a row and behind each of these are 2 zebra enclosures. There are three times as many giraffe enclosures as zebra enclosures scattered around the zoo. The tiger enclosures hold 4 tigers, the zebra enclosures hold 10 zebras and the giraffe enclosures hold 2 giraffes. If these are the only animals in the zoo, how many animals are in the zoo?
A: There are twice as many zebra enclosures, so there must be 4 tiger enclosures * 2 = 8 zebra enclosures. This means there are 8 zebra enclosures * 3 = 24 giraffe enclosures. In the tiger enclosures, there are 4 tiger enclosures * 4 = 16 tigers. In the zebra enclosures, there are 8 zebra enclosures * 10 zebras = 80 zebras. In the giraffe enclosures, there are 24 giraffe enclosures * 2 giraffes = 48 giraffes. So in total, there are 16 tigers + 80 zebras + 48 giraffes = 144 animals in the zoo. The answer is 144.

Q: Mark loves to see shows in theaters. He decided to visit the theater at least once a week. One performance lasts 3 hours. The price of the ticket depends on the time spent in the theater and stands at $5 for each hour. How much will Mark spend on visits to the theater in 6 weeks?
A:
The price of one performance is 3 * $5 = $15. Mark intends to go to the theater once a week, so in 9 weeks he will spend 6 * $15 = $90. The answer is 90.