In a survey of 400 students, 80% said they had math homework every night. Of these, 40% had writing homework every night. How ma
ny students had both math and writing every night?
A. 50
B. 128
C. 160
D. 320
1 answer:
It is D. 320 because if you add 80 and 40 togeter you get 120 then 320
You might be interested in
M=FD^2/(-Gn)
here is the solution
The correct answer is -1/3.
Step-by-step explanation:
Y=-4x+3
2x+3y=19
2x+3(-4x+3)=19
2x-12x+9=19
-10x=10
X=-1
y=-4*(-1)+3=4+3=7
x=-1 y=7
Answer:
0.01
Step-by-step explanation:
0.1 x 0.1 = 0.01
HOPE IT HELPS YOU
Answer:
C
Step-by-step explanation:
Use πr²
