What is the sum of the digits of the decimal form of the number represented by brain teaser 210/17/2023 how many sĪ 100 point test contains a total of 20 questions. Whichever method you choose, you get the same answer:Ĥ5 students, 12 taking spanish, 15 taking chemistry, 5 taking both spanish and chemistry. Let the number of children who used the pool be c, and the number of adults who used the pool be a. How many adults and children used the pool Daily prices are $1.75 for children and $2.00 for adults. 3 times the first number minus the other number is 2Ĥ14 people used public pool. No matter which method we choose, we get the same answer:Ģ times a number added to another number is 25. Set up our 2 equations where cost = price * quantity: Write the 2 simultaneous equations and solve. X represents the cost of 1 pen and Y represents the cost of 1 eraser. 2 pens and 1 eraser cost $35 and 3 pens and 4 erasers cost $65.
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