Solve the problem by using three variables.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Who, if anyone, was a teenager 7 years ago?
A. Ben
B. Art
C. Art, Ben, and Cal
D. Art and Ben
Answer: D
Mathematics
You might also like to view...
Find the exact solutions to the quadratic equation, using a method of your choice.x2 + 18x + 59 = 0
A. 9 ± 
B. -18 + 
C. -9 ± 
D. 9 + 
Mathematics
Solve the equation and check your proposed solution.s - 17.2 = 13.4
A. {30.6} B. {3.8} C. {-3.8} D. {-30.6}
Mathematics
Solve.In a local election, 29,000 people voted. This was an increase of 5% over the last election. How many people voted in the last election? Round your answer to the nearest whole number of people.
A. 30,526 people B. 27,550 people C. 27,619 people D. 30,450 people
Mathematics
Determine the vertex of the graph of the parabola.y = x2 + 2x - 3
A. (1, 4) B. (1, - 4) C. (- 1, - 4) D. (- 1, 4)
Mathematics