D cause of biology hope this is right
Answer:
230 were sold at the door
170 were sold in advance
Step-by-step explanation:
x=at door y=in advance
x+y=400
3x+2y=1030
y=-x+400
2y=-3x+1030
y=-3/2x+515
-x+400=-3/2x+515
x=230 y=170
Half of the distance from one side, through the middle, to the other side.
circumference: 3.14*radius*2
Generally in the US a ton is approximately 907 kilograms and a metric ton is equivalent to 1,000 kilograms
Answer:
30
Step-by-step explanation:
Since it is in the tens place. thank me please give me brainliest.
