Two trains leave a train station travelling on parallel and adjacent tracks. Train A is traveling due north at a constant speed of 76 miles per hour. Train B is traveling due south at a constant speed of 44 miles per hour. If both trains leave the station at the same time, in approximately how many minutes will the trains be 22 miles apart?

let's recall that d = rt, or namely distance = rate * time, the time being in a unit "in the rate".

Train A is moving North with 76m/h, Train B is going South at 44 m/h, both taking off in opposite direction at the same time, hmmmm so at some point the distance covered by both will be 22 miles, let's say that happens at the "h" hour.

If at "h" hour A has covered say distance "d" miles, then we can say that B has covered "22 - d" miles or namely the slack from 22, let's make a table with all that

alot

step-by-step explanation:

its a wood chuck that can chuck wood

d

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.