Earth revolves around the sun in 365 days, but the planet mercury does so in only 88 days. compared to earth, how many more complete revolutions will mercury make in 1000 days?

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

Step-by-step explanation:

Earth takes 365 days to make a complete revolution.

we can say that the rotational speed of Earth is

so, in a 1000 days how many revolutions will Earth have made?

see that the 'day's cancel out. Simply multiply the two numbers!

Next, do the same for Mercury

we can say that the rotational speed of Mercury is

as it completes 1 revolution in 88 days.

so, in a 1000 days how many revolutions will Mercury have made?

multiplying by 1/88 by 1000 yields:  

The Question is how many MORE complete revolutions will Mercury make in 1000 days?

We need to subtract the revolutions of Mercury with Earth to find how far ahead is Mercury from Earth

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

answer: -8.2562234e+13

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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