Answer:
3.5 hours
Step-by-step explanation:
Speed of train X=30 mph
Speed of train Y=40 mph
Relative speed When the two trains travelling in same direction
Relative speed=40-30=10 mph
Total distance =25+10=35 miles
We have to find the time when train Y is 10 miles ahead of train X.
We know that
Time=
Using the formula
Then, we get
Time=
Hence, it will be 3.5 hours until train Y is 10 miles ahead of train X.
Answer:
Step-by-step explanation:
<u>Let the cost of a sheet be s and cost of a blanket be b</u>
<u>From the first equation we get:</u>
<u>Substitute in the second equation</u>
- s + 4*(41 - 2s) = 80
- s + 164 - 8s = 80
- 7s = 84
- s = 12
<u>Then</u>
Since the .16 is in the hundredths place, the fraction is 2 16/100, or 216/100
But if you need to simplify it it's 2 4/25, or 54/25
Answer:
3⁴
Step-by-step explanation:
Hey there! To evaluate 
, we can simply do by using one of exponent laws.
<u>Laws of Exponent</u>
<u />
Hence, let m = -3 and n = 7. Therefore, 
Let me know if you have any questions regarding the exponent!
6 pounds of apples cost $7.38
1 pound of apples would cost $7.38 / 6 = $1.23
So the unit price of apples = $1.23 per pound
I hope this helps.
