To answer this, we need to first find the rate and the multiply it by 3. 840/12 = 70 miles per hour. Then multiply it by 3. 70*3=210 miles. Another way we can do it is that we can divide 840 by 4 because 12 hours / 4 = 3 hours. 840/4 = 210 miles.
Answer:
It could be restated as 
10, if that's what the question asked.
Answer:
They would have the same amount of baseball cards after 9 weeks/in 10th week
Answer:
So, We Need To Write An Equation To Find This:
AD = lAl + lDl Step-by-step explanation:
AD = l-7l + l8l
l-7l= 7.
AD = 7 + 8
7+8 = 15
AD = 15 So, AD = 15. This Means That The Answer Is B.
