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.
16) The product of one-fifth a number, two-fifths the number, and three-fifths the number is fifty. 17) Forty-five less than three times a number is equal to one-half the number. 18) Two-ninths of a number, divided by two is the same result as five more than the number.2) The difference of eight and a number is thirty. 23) The product of a number and three-fourths is nine. 24) The quotient of a number and fifteen is three. 25) Five less than twice a number is thirteen.