169 + 354 = 523
so the estimate its 520
I hope have helped :)
8/97 = 12/x.....8 oz to 97 mg = 12 oz to x mg
cross multiply
(8)(x) = (97)(12)
8x = 1164
x = 1164/8
x = 145.5 (or 145 1/2) mg
Answer:

Step-by-step explanation:
From the question we are told that
Consumers seen the soap 
Consumers used the soap 
Consumers seen/tried the soap 
Generally the probability that consumers have seen and tried the soap is



A. 25.2 because it is the only answer outside of the previous range of 25.6 - 29.1.