60- 10- 10=40 cm
60 * 40 *10 =24,000 cubic centimeters =24 cubic decimeters = 24 liters
Let the distance be x kilometers.
2x(x/2+x/6)
=2x÷2x/3
=3 km
Let * * * have x kilograms of watermelon.
1/8x+ 1/8x+45 = 5/ 16x
5/ 16x- 1/4x=45
1/ 16x=45
x= 720