A train leaves the train station and travels at a speed of 45 miles per hour on the way to drop off cargo at a warehouse. When the cars were empty on the way back, the train traveled at a speed of 55 miles per hour. The total round trip took 4 hours. How far away is the warehouse from the train station?​

Lo siento :( soy Principiante

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )