Answer:
<h2>A . 6</h2>
Step-by-step explanation:

Figure A is 319.5 and figure B is 315 so I subtracted and got 4.5 so the answer is C
Answer:
y = 10
Step-by-step explanation:
Given y varies inversely as x then the equation relating them is
y =
← k is the constant of variation
To find k use the condition x = 4 when y = 15 , then
15 =
( multiply both sides by 4 )
60 = k
y =
← equation of variation
When x = 6 , then
y =
= 10