Tickets for a concert cost $7.50 for students and $15 for adults. 150 ticket are sold, and $1612.50 is collected. How many student tickets were sold? How many adult tickets?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Question 7 of 47 1 point what is the equation of a line with a slope of 1/2 that passes through the point, (-2,5)? o a. 1/2x+3 o b. y=1/2x+5 o c. y=x+5 o d. y=1/2x+6

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.