Solve the problem using the elimination method.There were 560 people at a play. The admission price was $2 for adults and $1 for children. The admission receipts were $780. How many adults and how many children attended?
A. 195 adults and 365 children
B. 340 adults and 220 children
C. 220 adults and 340 children
D. 170 adults and 390 children
Answer: C
You might also like to view...
Write an equation to describe the variation. Use k for the constant of proportionality.w varies jointly as x and y.
A. w + x + y = k B. w = k + x + y C. w = kxy D. wxy = k
Answer the question.Consider the numbers 
, -24, -1, 
, 
, 0.
, 0.01. Which are irrational numbers?
A. 
, 0.
B. 
, 0.
C. 
D. 
Graph the interval on a number line and write the inequality notation as well.(-5, -2]
A. -5 < x < -2 
B. -5 < x ? -2 
C. -5 ? x < -2 
D. -5 ? x ? -2 
Radium - 226 has a half-life of 1600 years. Suppose we have a 300 g sample. (a) Find a formula for the mass remaining after t years. (b) How much of the sample remains after 200 years? (c) After how long will only 20 g remain?
What will be an ideal response?