On a trip, the fare was 75 cents for each adult and 50 cents for each child if 20 passengers paid 12.00$ how many adults and children went?

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85