Loren is putting brick along both edges of the 21-meter walkway to his house. each brick is 0.26 meters long. loren is placing the bricks end to end. how many bricks does he need?

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

answer: approximately 206 bones

i hope this u out a branlist and a would be greatly appreciated :