Tutors Answer Your Questions about Linear-equations (FREE)
Question 1092563: Micaela drove from Los Angeles to Ventura during rush hour at an average speed of 45miles per hour, and then drove back the same way at an average speed of 30miles per hour.
If the round trip took 3 hour and 15 minutes, how many miles is Micaela's one-way trip from Ventura to Los Angeles?
If the answer is not an integer, enter it as an exact decimal.
Click here to see answer by josmiceli(19441)  |
Question 1092569: A bus station runs a shuttle service to and from the airport. A shuttle that left the station traveling at 21 miles per hour is passed by a second shuttle that left 30 minutes later traveling at a rate of 27 miles per hour. How far did the first shuttle travel before it was passed by the second shuttle?
If the answer is not an integer, enter it as an exact decimal.
The shuttle traveled.... miles before it was passed.
Click here to see answer by josmiceli(19441)  |
Question 1092564: Express commuter train #12 leaves the downtown station and travels at an average speed of 5050miles per hour towards the north side station, which is 3737miles away. Twelve minutes later, express commuter train #7 leaves the north side station and travels at an average speed of 4040miles per hour towards the downtown station.
At the moment when the two trains pass each other, how far (in miles) is the #12 train from the downtown station and how long (in minutes) has the #12 train have been traveling?
If the answer is not an integer, enter it as an exact decimal.
#12 train is.... miles from the downtown station and has been traveling for
.... minutes.
Click here to see answer by greenestamps(13200)  |
Question 1092561: Kelsey biked from the mall to the movie theater at an average speed of 66 miles per hour, and then biked back the same way at an average speed of 88 miles per hour. If the round trip took 2 hours and 15 minutes, how many miles is Kelsey's one-way trip from the mall to the movie theater?
Round to the nearest hundredth.
Click here to see answer by jorel1380(3719)  |
Question 1092568: On a construction crew, Lionel set the crew record for laying carpet when he laid 1,410 square meters of carpet in 77 hours. Suppose Samara laid 220 square meters of carpet in 4.5 hours.
Complete the equation to model this situation where xx is the average speed Samara would need to maintain during the remaining 2.5 hours in order to tie Lionel's record.
1,410=
What speed (in square meters per hour) would Samara need to average during the remaining 2.5 hours to tie Lionel's record?
Samara would need to average .... square meters per hour.
Click here to see answer by jorel1380(3719)  |
Question 1092530: A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 5 large boxes and 6 small boxes has a total weight of 108 kilograms. A delivery of 3 large boxes and 2 small boxes has a total weight of 5 kilograms. How much does each type of box weigh?
Click here to see answer by josmiceli(19441)  |
Question 1092522: A phone company offers two monthly plans. Plan A costs
$21
plus an additional
$0.14
for each minute of calls. Plan B costs
$8
plus an additional
$0.18
for each minute of calls.
For what amount of calling do the two plans cost the same?
What is the cost when the two plans cost the same?
Click here to see answer by Theo(13342)  |
Question 1092783: what formula tells the cost in dollars if chocolate chip cookies are $2.50/dozen and lemons frosted are $1.50/dozen? Let C= number of dozen chocolate chip cookies. L=number of dozens of lemons frosted. T=total change
Click here to see answer by jorel1380(3719)  |
Question 1093470: Hi appreciated tutors,
I cannot figure out this simple problem...
Tasha bought salads at $2.75 each and cartons of milk at $.80 each. The total cost was $16.15. How many of each did Tasha buy?
I tried to set the problem up like this:
X=number of salads, Y=number of milks
2.75X + .8Y = 16.15
X + Y = 3.55
I then tried to solve as a linear system problem but I just cannot get the correct values. The answers are X=5 and Y=3
Please help!! Thank you!!
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1093470: Hi appreciated tutors,
I cannot figure out this simple problem...
Tasha bought salads at $2.75 each and cartons of milk at $.80 each. The total cost was $16.15. How many of each did Tasha buy?
I tried to set the problem up like this:
X=number of salads, Y=number of milks
2.75X + .8Y = 16.15
X + Y = 3.55
I then tried to solve as a linear system problem but I just cannot get the correct values. The answers are X=5 and Y=3
Please help!! Thank you!!
Click here to see answer by ikleyn(52780)  |
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