The correct answer choice is (B)
Answer:
10
Step-by-step explanation:
1/3 of an hour is 20, and 1/3 of 30 questions is 10, so 10 questions completed per 20 minutes.
Answer:
$51
Step-by-step explanation:
Answer:
(0,0)
Step-by-step explanation:
x^2+y^2=4^2
center: (0,0)
radius=4
Answer:
Step-by-step explanation:
Let ratio be x
$72=5x+4x
$72=9x
X=$72/9=$8
Required share=5×$8=$40
And 4×$8=$32