Step-by-step explanation:
-7b=21
Divide both sides by - 7
B= -3
Answer:
b=-3
-7b/-7=21/-7
it depends how much one would cost
and when u know how much one costs u can multiply it by 24 :)
<em>123</em><em> </em>is 40% of 307.
diameter = 3.18