Let b be black bean
Let r be red bean
b=4r...(1)
b+4r=75....(2)
(1)-> (2) b+4r=75
4r+4r=75
8r/8 =75/8
r=9.375.....(3)
(3)-> (1) b=4r
b=4(9.375)
b=37.5
4) because 10 x 10 is 100
Answer:
y = 1/2x - 5
Step-by-step explanation:
y = 1/2x+b
-1 = 1/2(8) +b
-1 = 4+b
-5 = b
The Answer Is D I know this because it has a lot of 10