Andrew drove his truck 100 miles, rounded to the nearest 10 miles, and used 10 gallons of gasoline, rounded to the nearest gallon. The actual number of miles per gallon that Tom's truck got on this vacation trip must have been between
A 100/10.5 and 100/9.5
B 95/10.5 and 105/9.5
C 95/9.5 and 105/10.5
D 105/10 and 95/9.5
E 105/10.5 and 95/9.5
OA: B
What I wonder the most is the rounding rule.
To be rounded to 10, isn't it 10.4, 10.3, 10.2, 10.1 10 9.9 9.8 9.7 9.6 9.5
If it's XXX.5, we will round up.
But here 10.5 is rounded down to 10.
Isn't supposed to be rounded up to 11?
A 100/10.5 and 100/9.5
B 95/10.5 and 105/9.5
C 95/9.5 and 105/10.5
D 105/10 and 95/9.5
E 105/10.5 and 95/9.5
OA: B
What I wonder the most is the rounding rule.
To be rounded to 10, isn't it 10.4, 10.3, 10.2, 10.1 10 9.9 9.8 9.7 9.6 9.5
If it's XXX.5, we will round up.
But here 10.5 is rounded down to 10.
Isn't supposed to be rounded up to 11?
