Question

A construction company undertakes to do certain work in 20 days and employed 80 workers for the purpose .At the end of 15 days 3/5 of the work was done . How many extra workers must be employed in options in order to complete the work in time?​

Answer 1

48 GQ

Step-by-step explanation:

let total work = 20 × 80 units

remaining work after 15 days = 2/5 * (20×80) = 640 units

remaining work needs to be completed in (20-15) = 5 days

let extra workers required be x

640/(80 + x) = 5 => x = 48