Answer:
sorry I wish I could help):
The rate of change is 25 because it goes 25 50 75 100 think of it like quarters
Answer:
C. 
Step-by-step explanation:
To find the number of black ribbons one would have subtract the amount of red ribbons from the total number of ribbons. Then one would have to express it as a proportion. Part over whole equals percent over 100. The number of black ribbons over total ribbons equals "b" over 100.
Answer:
B. $10 bag, $0.80 per pound
Step-by-step explanation:
10 / 8 = 0.80
25 / 15 = 1.67
0.80 is cheaper
Answer:
no solutions
Step-by-step explanation: