Percent chaining

Calculate 20% from 70% from 80 km

Correct answer:

x =  11.2 km

Step-by-step explanation:

r1=20%=10020=51=0.2 r2=70%=10070=107=0.7 a=80 km  x=r1 r2 a=0.2 0.7 80=11.2 km



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