Marco's quality sandals can make 840 sandals in an 8-hour period. due to strict quality control standards, the company must then discard an average of 2.5% of their sandals that contain manufacturing defects.
a. how many sandals does marco discard in an average of 24 hour day?
b. marco's received an order of 39,312 sandals from a large retail store how many full 24 hour days will it take marco's to make the sandals within discard rate?