Workers

Ten workers must pave road street for 22 working days. After four days were for speeding up work added two more workers.

a) After how many work days now workers completes the paved road?
b) How many working days it took a total paved road?

Correct answer:

a =  15
b =  19

Step-by-step explanation:


4/22 + a•12/(10•22) = 1
b = a + 4

1.2a = 18
a-b = -4

a = 15
b = 19

Our linear equations calculator calculates it.



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