Question

Kristin decides to spend at most $50 for a birthday dinner at a restaurant, including a 15% tip.,

Answer 1

0.15x + x <(or equal to) 50
Where x is the meal's cost (no tip included)

50 - 15% = 42.5.
x >(or equal to) 42.50.

(nothing is copied content, I copy pasted a number into the right position, feel free to check it mods)