In a certain game, a player can solve easy or hard puzzles. a player earns 30 points for solving an easy puzzles and 60 points for solving a hard puzzled. tina solved a total of 50 puzzles playing this game, earning 1950 points in all. how many hard puzzles did tina solve

Using a system of equations, it is found that Tina solved 35 easy puzzles and 15 hard puzzles.

For our system, we are going to say that:

Total of 50 puzzles, thus:

Each easy puzzle earns 30 points, each hard 60, total of 1950 points, thus:

From the first equation:

Replacing in the second:

Then:

Tina solved 35 easy puzzles and 15 hard puzzles.

A similar problem is given at link

Tine solved 15 hard puzzles.

Step-by-step explanation:

Let x be the number of easy puzzles and y be the number of hard puzzels.

Given : A player earns 30 points for solving an easy puzzles and 60 points for solving a hard puzzled.

Tina solved a total of 50 Puzzles playing this game, earning 1950 points in all.

Then system of equations for above description:

Multiply 60 in equation (1), we get

Subtract equation (2) from (3), we get

Put x=-35 in (1), we get

Hence, Tine solved 15 hard puzzles.

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

what is the information provided?

step-by-step explanation: