Lucas and Mateus have been collecting coins they find on the ground. Lucas has \$3.23$3.23dollar sign, 3, point, 23 and Mateus has \$2.87$2.87dollar sign, 2, point, 87.

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.