Anumber decreased by twice the number is -60

n = 60

Step-by-step explanation:

Symbolically, that would be n - 2n = -60, or, after combining like terms,

-n = -60.  Then n must be 60:  n = 60

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw