Foresters 81919

Foresters planted 2,440 saplings in three days. On the second day, they planted 20% more saplings than on the first day, and on the third day, 15% less than on the first day. How many saplings did the foresters plant each day?

Correct answer:

a =  800
b =  960
c =  680

Step-by-step explanation:

n=2440 r1=100%+20%=1+10020=1.2 r2=100%15%=110015=0.85  n=a+b+c b = r1 a c= r2 a  n=a+r1 a+r2 a 2440=a+1.2 a+0.85 a  3.05a=2440  a=3.052440=800  a=800
b=r1 a=1.2 800=960
c=r2 a=0.85 800=680



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