Mason with assistant

Mason had to complete the work in 10 days. Two and a half days later, his assistant arrived. Together they completed the work in the next three and a half days. How many days would he need an assistant for the same work?

Correct answer:

x =  8.75 d

Step-by-step explanation:

x•(2.5+3.5) + 10•3.5 = 10•x

4x = 35

x = 35/4 = 8.75

Our simple equation calculator calculates it.

Try another example

Related math problems and questions:

• Three workers
  Three workers A, B, C have to work on a specific task. Workers A and B completed whole task in 14 days, B together with C for 23 days, A together with C for 13 days. How long it would take to complete the task every one of them alone? How long it would ta
• Working together
  Two people will do the work in 12 days. They worked together for 8 days. Then only one worked for 10 days. How many days would each of them do the work if he worked alone?
• Evening shift
  While working the evening shift, Officer K took 8 hours to complete a task at his work station and Officer M took 10 hours to complete the same task at his work station. How many hours would it take Officer K and Officer M to complete the same task workin
• Working together
  One painter paint the nursery in 10 days, the second in 8 days. How many days will the nursery be painted if they work together?
• Painting school
  Redecoration school had scheduled for four crew to 10 days. After two days a single worker ill. For how many days the school was painted when remain workers working with the same tempo?
• Two workers
  Two workers together execute some work in 10 days. The first worker would have done himself in 20 days. How many days would have done himself a second worker?
• Painters 4
  One painter will do the job for 12 days. After a 4 1/3 day he comes second to help him and complete work together for 8 days. How long would work the second painter himself?
• Two masons
  Two masons built the garage together - it took 18 days. If they worked independently, the other would work 15 days more than the first. For how many days would build the garage each mason himhelp?
• Repairman
  Repairman has vowed to do repair work at the plant for 25 days. However work had to be shortened, and therefore he took helper worker. Together they made all the corrections for the whole days. How long it would take work to helper worker?
• Work at plant
  Handyman has vowed to do repair work at the plant for 25 days. However, work had to be shortened and therefore gained helper. Together they made all the corrections for 13 1/3 days. How long the work would take helper himself?
• Bricklayers
  The first bricklayer would build a wall in 3 days, the second in 4 days. The first bricklayer worked alone for a day, then the second bricklayer came to his aid and they finished the work together. How long did it take to build the wall?
• Panel house
  The construction company has two groups of workers. Group A has more members than B. Panel house was insulated by group A in 10 days. They insulated the same block of flats together in 6 days. How many days would group B block insulate?
• Mukls
  The working group, in which 6 workers would ordered job completed within 21 working days. How many workers must be accept yet that the contract will be completed in 14 working days?
• Road repair
  Road repair took 10 days for 36 workers if they worked 9 hours a day. How many days take repair same road 37 workers if they work 8 per day?
• Working together
  One worker performs work in 3 days, the second in 5 days. How much do they work together?
• Two workers
  One worker needs 40 hours to do a job, and the second would do it in 30 hours. They worked together for several hours, then the second was recalled, and the first completed the job itself in 5 hours. How many hours did they work together, and how much did
• Together m+d
  Aunt Jane would paint her apartment in 10 hours, her mother in 15 hours. How much do they paint it for together?