Help the question is about finding the angle on a triangle and this is 7th grade stuff

Yo sup??

by angle sum property of a triangle we can say

5x-6+3x+90=180

8x=84

x=10.5

Hope this helps

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*