What is the value of x given that the two pyramids are similar

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?