1. A bottle of the medicine contains 0.5 kilograms of the medicine.One dose of the medicine is 20 grams for a child and 45 grams for an adult.The number of grams used can be calculated with the formula 20C + 45A, where A is the number of adult doses and C is the number of child doses.If a medical assistant needs to give a dose of the medicine to 12 adults and 10 children, will there be enough medicine in the bottle?If not, how many more grams will be needed?
2. A new car worth $25,000 is depreciating (loses value) in value by $1,250 per year. Determine how many years will it take for the car to be worth $8,500?
3. Jane and her two friends will rent an apartment for $870 a month.Jane will be paying double what her friends are paying since she will have her own bedroom.Determine how much rent will Jane pay a month?
4. Simplify the following algebraic expression 3/4(1/2x-12)+4/5
5. Simplify the following algebraic expression: 6(2y + 8) - 2(3y - 2)
6. The cost of attending a sporting event is $25 for adults and $15 for students.The total cost of A adult tickets and S students can be calculated by using the expression 25A + 15S.If 12 adult tickets and 10 student tickets were purchased, what was the total cost of the tickets?
7. The expression 1.5t + 20 predicts the height in centimeters of a plant t days from today.What is the predicted height of the plant 15 days from today?
8. The number of pages in the U.S. tax code exceeds the number of pages in the King James Bible by 18,528.The combined number of pages in the tax code and the Bible is 21,472. How many pages are in the Bible?
9. The number of pages in the U.S. tax code exceeds the number of pages in the King James Bible by 18,528.The combined number of pages in the tax code and the Bible is 21,472. How many pages are in the U.S. tax code?
10. What is the value of 3-6(z-2) to the third power if z = - 2
11. What is the value of 3x to the second power+4y to the second powerif x = 2, y = 1, and z = -3?
12. What is the value of2(x + y) - (x - z) if x = 2, y = 1, and z = -3?