Types of gravel include: 1  Bank gravel: naturally deposited gravel intermixed with sand or clay found in and next to rivers and streams. 2  Bench gravel: a bed of gravel located on the side of a valley above the present stream bottom, indicating the former location of the stream bed when it was at a higher level.
1 is the sixth part of 6. 2 is two sixths, and also the third part, of 6. 3 is three sixths, and also half of 6. 4 is four sixths, and also two thirds, of 6. is the sixth part of 6. 2 is two sixths, and also the third part, of 6. 3 is three sixths, and also half of 6. 4 is four sixths, and also two thirds, of 6.
The difference of four times a number and six 4x â 6 4. Four times the difference of a number and six 4(x â 6) 5. The total of five times a number and ten is the opposite three 5x + 10 = -3 6. Twice the product of three and a number 2(3x) 7. The product of four times a number and negative two is five 4x(-2) = 5 8.