[Question]Karen packs peanut butter sandwiches in her daughter's lunch 2 randomly chosen days of the week. The other 3 school days, she packs a ham sandwich. She packs a piece of cake on one randomly chosen day and cookies the other four days. What is the probability, expressed as a percentage, that Karen packs a ham sandwich and cake on the same day?
[Answer]There are 5 school days in a week, so the probability Karen packs a ham sandwich is 3 / 5 and the probability she packs cake is 1 / 5. Multiply the two probabilities to find the probability both things happen: 3 / 5 * 1 / 5 = 3 / 25. Now divide 3 by 25 and multiply by 100% to express this probability as a percentage: 3 / 25 * 100% = 12%. The answer is 12.
Q: At his craftwork store, Howard has a collection of 70 wooden bowls where he rewards two to his customers for every 10 they buy. If he had 20 customers that day, half of whom bought 20 bowls each, calculate the number of bowls remaining in the rewards collection.
A: Half of the 20 customers, which is 1 / 2 * 20 = 10 bought 20 bowls each, receiving 2 for every 10. The total number of reward bowls each customer who bought 20 bowls received is 2 + 2 = 4. If 10 customers bought 20 bowls, Howard gave away 4 * 10 = 40 bowls as rewards. The total number of reward bowls that remained is 70 - 40 = 30. The answer is 30.
Question: The house is 20.5 feet by 10 feet. The porch measures 6 feet by 4.5 feet. The house and the porch need shingles. How many square feet of shingles will be needed to roof the house and the porch?
Answer: House = 20.5 * 10 = 205 square feet. Porch = 6 * 4.5 = 27 square feet. 205 + 27 = 232 square feet. 232 square feet of shingles will be needed. The answer is 232.
[Question]Mildred and Candice went to the market. Mildred spent $25 while Candice spent $35. If their mom gave them $100 to spend, how much will be left with them after spending?
[Answer]Mildred and Candice spent $25 + $35 = $60 in total. Therefore, they were left with $100 - $60 = $40 after spending. The answer is 40.
Q: Lilibeth and her friends go strawberry picking. Lilibeth fills 6 baskets where each basket holds 50 strawberries. If three of Lilibeth's friends pick the same amount as her, how many strawberries do Lilibeth and her friends pick in all?
A: Lilibeth picks 6 x 50 = 300 strawberries. There are 1 + 3 = 4 of them who are picking strawberries. Therefore, they pick a total of 300 x 4 = 1200 strawberries. The answer is 1200.
Question: Kim has 12 nail polishes. Heidi has 5 more nail polishes than Kim, and Karen has 4 fewer nail polishes than Kim. How many nail polishes does Karen and Heidi have together?
Answer:
Heidi has 12 + 5 = 17 nail polishes. Karen has 12 - 4 = 8 nail polishes. Heidi and Karen have 17 + 8 = 25 nail polishes together. The answer is 25.