Assignment:
Q1. Solve. 28x – 2(10x – 0.365) = 7x + 0.035
Q2. Find the mean and the median.
–2, -7/4 , 3/4 , 4, 9
A) Mean 2, Median 3/4
B) Mean 10, Median 2
C) Mean 2, Median 2
D) Mean 10, Median 3/4
Q3. Solve. –3(x + 1) = 2(x – 8) + 3
A) –1
B) 1
C) 3
D) 2
Q4. A cylinder has a radius of 5 in. If the volme of the cylinder is 250π in.3, what is the height of the cylinder? [Hint: The volume of a cylinder is given by V = πr2h.]
Q5. The sum of three consecutive odd integers is 201. Find the integers.
Q6. Solve. 6(2 – x) = 4x
Q7. Allen bought 20 stamps at the post office in 37¢ and 20¢ denominations. If the total cost of the stamps was $7.06, how many 37¢ stamps did Allen buy?
A) 15
B) 16
C) 17
D)18
Q8. Convert 9/16 to a percent.
Q9. Fill in the blank with < or >. 4 ______ –5
Q10. Graph the solution set of x ≤ 7.
Q11. Solve and graph the solution set. 3x ≥ 7x + 20
Q12. A long-distance phone call costs $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $6.
Q13. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?
Q14. Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo?
A) 8
B) 10
C) 12
D) 14
Q15. Is 4 a solution to the equation x + 7 = 11?
A) Yes
B) No
Q16. Solve: 5x/ 7 - 6x/5= 3 / 35
Q17. Find the length of each side of the rectangle so that it has the given perimeter.
Q18. Translate the following statement into an algebraic equaion. Let x represent the number.
6 times a number is 14 more than that number.
A) 6x + 14 = x
B) 6 = 14x + x
C) 6x = x + 14
D) 6x = 14x
Q19. Ching leaves San Francisco and travels toward Los Angeles at 50 mi/h. An hour later, Phil leaves Los Angeles and travels toward San Francisco at 60 mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil?
Q20. An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
Provide complete and step by step solution for the question and show calculations and use formulas.