Carry the Answer to Three Decimal Places $X _ { L }$

Short Answer

Carry the answer to three decimal places. A set of 2-inch-wide by $X _ { L }$ -inch-thick carbon brushes fits the brush holders too tightly. It is necessary to take inch off the width and 0.015 inch off the thickness by sanding. Give in decimal form the width dimension of the carbon brushes after sanding.