10cm2 of a normal specimen of human blood contains 1.2g og hemoglobin how many grams does 47cm3 of the same blood contain
simple ratio ...
x/47 = 1.2/10
Watch your units, you have cm^2 instead of cm^3 in your first data value
x/47 = 1.2/10
Watch your units, you have cm^2 instead of cm^3 in your first data value