Trevor spent 15 minutes in the shoe store 25 minutes in the candle store and then 10 minutes in the card store Trevor left the card store at 10:45am What time did he arrive at the shoe store

09 : 55 am

Step-by-step explanation:

Given:

Trevor spent 15 minutes in the shoe store

25 minutes in the candle store

And then 10 minutes in the card store

Trevor left the card store at 10 : 45 am

Question asked:

What time did he arrive at the shoe store ?

Solution:

Time spent in the shoe store = 15 minutes

Time spent in the candle store = 25 minutes

Time spent in the card store = 10 minutes

Total time spent =  15 minutes + 25 minutes + 10 minutes

                           = 50 minutes

Now, As it is given that Trevor left the card store at 10 : 45 am and we have to find What time he arrived at the shoe store, we subtract 50 minutes from 10 : 45,

Hours              Minutes

10                       45                                                                                            

- 0                       50

09                      55

Note : As 45 is less than 50 and cannot be subtracted, taken 1 hour carry out of 10 hours from hours section and as 1 hour is equal to 60 minutes, now it has ; 45 + 60 = 105 minutes and by subtracting 50 from 105 , we get 55 minutes.

And out 10 hours, 1 hour is already given carry to the minute section , hence we get 9 hours.

Thus, he arrived at 09 : 55 am at the shoe store.

maybe - definition of supplementary angles. im not sure. sorry

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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