She has 8 points from red buckets because 4 x 2 = 8. She has 15 points from green buckets because 5 x 3 = 15. She has spent $2 on games because 2 x 1 = 2. She has $1 left to spend because 3 - 2 = 1. She can play one more game because 1 / 1 = 1. The best bucket gives three points because 3 > 2. The most she can earn in the final game is 15 because 5 x 3 = 15. The most she can score overall is 38 because 8 + 15 + 15 = 38.
The answer: 38
Reverse engineering the question: Tiffany attends the carnival and her mother gives her $3 to play on a ring toss game. For every red bucket she tosses a ring into she gets 2 points. For every green bucket she gets three points. She gets zero points for a miss. Every play costs her $1 and she gets 5 rings per play. She's played two games and already gotten 4 red buckets and 5 green buckets. If she plays until her money runs out, what is the most total points she can get for all three games?

First find how many consonants are missing: 21 consonants * 1 / 7 = 3 consonants. Then add the number of missing vowels to find the total number of missing keys: 3 consonants + 2 vowels = 5 keys.
The answer: 5
Reverse engineering the question: James' keyboard is missing 1/7 of the consonants and two vowels. How many keys are missing in total? (Remember there are 5 vowels and 21 consonants in the alphabet.)

First find the total amount of caffeine Brandy already drank: 120 mg / drink * 4 drinks = 480 mg. Then subtract that amount from the amount it's safe to consume daily to find the remaining amount Brandy can consume: 500 mg - 480 mg = 20 mg.
The answer: 20
Reverse engineering the question: The maximum safe amount of caffeine you can consume per day is 500 mg. If each energy drink has 120 mg of caffeine and Brandy drinks 4 of them, how much more caffeine can she safely consume that day?

Jimmy spent 3 * $1 = $3 on pens. He spent 4 * $3 = $12 on notebooks. He spent 2 * $5 = $10 on folders. He spent $3 + $12 + $10 = $25 in total. His change will be $50 - $25 = $25.
The answer: 25
Reverse engineering the question:
Jimmy bought 3 pens for school for $1 each, 4 notebooks for $3 each and 2 folders for $5 each. If he paid with a $50 bill, how much change will he get back?