Calculate 5619

Jana had to calculate 70 tasks, and if she had solved two more daily tasks than she had planned, she would have finished four days earlier. How many days did she have to calculate the tasks?

Correct answer:

d =  14

Step-by-step explanation:

d v = 70 (d4) (v+2)=70 (d4) (70/d+2)=70 (d4) (70+2d)=70d  (d4) (70+2d)=70d 2d28d280=0 2 ...  prime number 8=23 280=2357 GCD(2,8,280)=2  d24d140=0  a=1;b=4;c=140 D=b24ac=4241(140)=576 D>0  d1,2=2ab±D=24±576 d1,2=24±24 d1,2=2±12 d1=14 d2=10  d>0 d=d1=14

Our quadratic equation calculator calculates it.

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

Units of physical quantities:

Themes, topics:

Grade of the word problem:

Related math problems and questions: