Aplayer earns 30 points for solving an easy puzzle and 60 points for solving a hard puzzle. tina solved a total of 50 puzzles playing this game, earning 1,950 points in all. how many hard puzzles did tina slice?

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

in mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. there are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. the set of candidate solutions that satisfy all constraints is called the feasible set.

hoped i'm right lol