[Question]: In 5 years, Joey will be as old as Beth is now. If Joey is 9 now, how old was Joey when Beth was Joey's age now?
[Answer]: Beth is 5 + 9 = 14 now. Beth was 9 years old 14 - 9 = 5 years ago. Joey was 9 - 5 = 4.
So the answer is 4.

[Question]: Frank went to a shop to buy some food for his breakfast. He bought 10 buns for $0.1 each, two bottles of milk, for $2 each, and a carton of eggs, which was three times more expensive than one bottle of milk. How much did Frank pay for his breakfast shopping?
[Answer]: For the buns, Frank paid 10 * 0.1 = $1. He bought two bottles of milk, for $2 each, so he paid for them 2 * 2 = $4. One carton of eggs was three times more expensive than one bottle of milk, so it cost 3 * 2 = $6. So for all his shopping Frank had to pay 1 + 4 + 6 = $11.
So the answer is 11.

[Question]: An adult panda can eat 138 pounds of bamboo each day. A baby panda can eat 50 pounds of bamboo a day. How many pounds of bamboo will the pandas eat in a week?
[Answer]:
An adult panda will eat 138 pounds of bamboo * 7 days = 966 pounds. A baby panda will eat 50 pounds * 7 days = 350 pounds. Total the pandas will eat 966 pounds + 350 = 1316 pounds of bamboo.
So the answer is 1316.