Answer:
there are 28 quarters and 13 nickels
Step-by-step explanation:
Y = 3bx - 7x
y = x(3b - 7)
Divide each side by 3b - 7 (assume that it is not zero).

Answer:
Answer:
True.
Step-by-step explanation:
Answer:
1/7
Step-by-step explanation:
there are 7 number possibilities 0,1,2,3,4,5,6.
so if they each have an equal probability the answer is 1/7
Answer: length is 8
Step-by-step explanation:
its just 24 divided by 3 = 8