By using my brain I can figure it out.
Answer:
The amount of money A pays is 
Step-by-step explanation:
Let
x-----> amount of money A pays
y-----> amount of money B pays
we know that
------> equation A

so
------> equation B
substitute equation B in equation A and solve for x

Answer:
640g flour
16g salt
12g yeast
60ml oil
Step-by-step explanation:
300 x (4/3) = 400
so multiply all by 4/3
Answer:
(Abbys slope 2/3) (Brandons slope 2/3) Abby is correct both triangles have the same slope.
Step-by-step explanation: