Which equation can be used to represent "six added to the sum of a number and four is equal to one-half of the difference of three and the number"?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?