Ronaldo and elan are working on an assessment.Ronaldo takes 6 hr.to type 30 pages on computer,while elan takes 5 hr.to type 40 pages.How much time will they take together on different computer to type an assessment of 110 pages.?
1.7 hour 30 mins.
2.8 hours.
1.8 hour 15 mins.
1.8 hour 25 mins.

• 8H
  
  15 M
• 7 years agoHelpfull: Yes(0) No(0)