Answer:6 hours
Step-by-step explanation:
312/130=2.4
2.4*2.5=6
Let the speed of current be x km/ hr
Upsetram = ( 6.5 -x) km/ hr
Downstram = ( 6.5 + x) km/ hr
Distance = Speed x Time
5 ( 6.5-x) = 2 ( 6.5+x)
32.5 -5x =13 +2x
7x = 19.5
x =2.7857142 km/ hr
ANSWER: 2.79 km/ hr
Its either a or c im not entirely sure which one but I do know it has to be in parentheses.
Answer:
$2.4
Step-by-step explanation:
12×20/100
240/100
2.4