Respuesta :

adioabiola

Answer:

50 hours

Step-by-step explanation:

Josh = 50 hours

frank worked 50 hours less and twice as many hours as josh did.

Frank = 2(Josh) - 50 hours

= 2(50 hours) - 50 hours

= 100 hours - 50 hours

= 50 hours

Therefore, Frank worked for 50 hours