Answer:
7 - ?
Step-by-step explanation:
Write and expression like and you should have a right answer. Hope this helps and good luck :)
Answer:
112.5
Step-by-step explanation:
200 - 87.5 = 112.5
Answer:
k = 4
Step-by-step explanation:
Given that a varies directly as b then the equation relating them is
a = kb ← k is the constant of variation
To find k use the condition a = 8 when b = 2
k =
=
= 4