Sam works two jobs, one at the zoo and the other at the library. he drives 24 miles round-trip to the zoo and 9 miles round-trip to the library. he never works two jobs in the same day. his car has a 15 gallon gas tank and gets 20 miles per gallon. if his tank is now empty and he has worked 12 days at the library since his last filling up, how many days did he work at the zoo?

c is the answer

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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