Answer:
b= 70
Step-by-step explanation:
The sum of the opposite interior angles of a triangle is equal to exterior angle.
a+b = 140
We know that a = b since PQ = RQ The angles opposite the equal sides in an isosceles triangle are equal
b+b = 140
2b =140
Divide by 2
2b/2 =140/2
b= 70
I assume you are asking what percent is 255 out 0f 300. And the answer to that is 85%
Company B because if u multiply 20×3 then you would only have to pay $60 and if u buy it from company A you would have to multiply 11×3 and then multiply 33× 20 and then you would have to pay $660 so u would save more with company B