Work

The first paver paves the pavement for 28 hours. Second for 26 hours. I started the first paver and, after 2 hours, joined the second. How long will they finish the pavement?

Final Answer:

x =  14.5 h

Step-by-step explanation:

a=28 h b=26 h  A=a1=2810.0357 1/h B=b1=2610.0385 1/h  s=A+B=0.0357+0.0385=364270.0742 1/h  2 A+(x2) s=1 2 0.035714285714286+(x2) 0.074175824175824=1  0.074176x=1.076923  x=0.074175821.07692308=14.51851852  x=2739214.518519=14.5 h



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