Q469
To meet a government requirement, a bottler must test 5 percent of its spring water and 10 percent of its sparkling water for purity. If a customer ordered 120 cases of spring water and 80 cases of sparkling water, then what percent of all the cases must the bottler test before he can send it out ?
A.
6.5%
B.
7.0%
AnswerC.
7.5%
D.
8.0%
Answer: Option B
Solution
Answer: Option B
Solution:
Number of cases required to be tested :∴ Required percentage :