Selby walked for a while at 4mph and then jogged the rest of the way at 8mph. if she covered 56 miles in 10 hrs how far did she walk and how far did she jog?

answer:

6 hrs walking and 4 hrs jogging

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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9 x 8 divided by (5-3)=36