Question

give me answer of question 11 with solution

Answer 1

let sandy got - x
Anita got - x+5
shella got - 2(x+5) - 2x+ 10
a.t.q.
shella +sandy
x + 2x +10 - 16
3x + 10. -16
3x - 16- 10
3x- 6
x- 6/3
x - 2

Answer 2

therefore sandy finds two shells ,Anita finds 7 and shella finds 14 shells