Answer:
StartFraction 1.55 over 1 EndFraction = StartFraction x over 3.5 EndFraction
Step-by-step explanation:

Answer:
x = .5
Step-by-step explanation:
4 / x = 8
4 / .5 = 8
x = .5
8 children ($4 x 8 = $32)
2 adults ($6 x 2 = $12)
2 senior citizens ($3 x 2 = $6)
32+12+6 = 50