Simplify the first expression 5 (m + 1) -1​

5m+4

Step-by-step explanation:

(5m)+5(1)-1

5m+5-1

5m+4

Step-by-step explanation:

You basically do the distribution property with the 5(m+1)= 5(m)+5(1)-1

5m+5 - 1

5m+4

6 on both sides and twelve on the top and the bottom

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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