answer:To solve this problem, we need to determine the value of x, which represents the total amount of water Madeline wants to drink in a day. We know that Madeline refills her water bottle 7 times, and each refill is 12 ounces. Therefore, she drinks 7 * 12 = 84 ounces of water from her water bottle. She needs to drink 16 more ounces of water, so the total amount of water she drinks is 84 + 16 = 100 ounces. Therefore, the value of the unknown variable x is 100. Madeline wants to drink 100 ounces of water in a day. 100 The answer is: 100

answer:James buys 3 shirts for 60, which means he paid 60/3 = 20 per shirt before the discount. There is an x% off sale, which means he paid (100-x)% of the original price after the discount. To calculate the amount he paid per shirt after the discount, we can multiply the original price by (100-x)/100: 20 * (100-x)/100 = 20 - 20x/100 = 20 - 0.2x. We are given that he paid 12 per shirt after the discount, so we can write: 20 - 0.2x = 12. Simplifying the equation, we get: 0.2x = 8. Dividing both sides by 0.2, we get: x = 40. The value of x is 40. 40 The answer is: 40

answer:If there are six chairs in each row, and there are 20 rows, then there are 6 x 20 = <<6*20=120>>120 chairs in total. If each chair holds five people, then the total number of people who can sit in the chairs is 120 x 5 = <<120*5=600>>600. Therefore, for the church to be full, 600 people have to sit in the chairs. 600 The answer is: 600

answer:The total number of balls in the box is 5 white balls + 6 black balls = 11 balls. The probability of selecting a white ball is the number of favorable outcomes (selecting a white ball) divided by the number of possible outcomes (selecting any ball). So the probability of selecting a white ball is 5 white balls / 11 total balls = 5/11. The answer is: frac{5}{11}