A group of 4 children and 8 adults are going to the zoo. Each child tickets cost $10, and each adult tickets cost $15. How much will the group spend on tickets to the zoo?

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!