SOLUTION: From a point on a straight road, two cars are driven in opposite directions, one at 40 miles per hour and the other at 54 miles per hour. In how many hours will they be 282 miles a

Question 432517: From a point on a straight road, two cars are driven in opposite directions, one at 40 miles per hour and the other at 54 miles per hour. In how many hours will they be 282 miles apart?
Found 2 solutions by edjones, rwm:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
54+40=94 miles apart in 1 hr.
282/94=3 hrs
.
Ed
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
r*t=d
time will be the same for both cars
add the two distances to get 282
40t+54t=282
94t=282
t=3 hrs
40*3=120 miles for the first car
54*3=162 miles for the second faster car

RELATED QUESTIONS
From a point on a straight road, two cars are driven opposite directions, one at 50miles... (answered by Cromlix)
From a point on a straight road, two cars are driven in opposite directions, one at 58... (answered by nerdybill,checkley77)
From�a�point�on�a�straight�road,�two�cars�are�driven�in�opposite�directions,�one�at�65�mil (answered by Alan3354)
From a point on a straight road, two cars are driven in opposite directions, one at 32... (answered by josgarithmetic)
Please help me solve: From a point on a straight road, two cars are driven in opposite... (answered by stanbon)
From a point on a straight road, two cars are driven in opposite directions, one at 21... (answered by MathTherapy)
From a point on a river, two boats are driven in opposite directions, one at 10 miles per (answered by ptaylor)
From a point on a river, two boats are driven in opposite directions, one at 10 miles per (answered by richwmiller)
From a point on a river, two boats are driven in opposite directions, one at 10 miles per (answered by solver91311)