One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?
The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1