At Park Junior High, 10%, or 160, of the students, play a musical instrument. How many students attend the school? A tape diagram. StartFraction part Over whole EndFraction = StartFraction 10 Over 100 EndFraction = StartFraction 160 Over question mark EndFraction

Which statements are correct? Check all that apply.
The total number of students is 160.
The percent as a part-to-whole ratio is StartFraction 10 Over 100 EndFraction.
The percent as a part-to-whole ratio is StartFraction 160 Over 100 EndFraction
There are 1,600 students in the school.
There are 250 students in the school.

The number of students in the school are represented by percentages

The number of students in the school is 1600

Let the number of students in the school be n.

So, the equation from the question is:

Divide both sides by 10%

Express 10% as decimal (0.10)

Hence, the number of students in the school is 1600

The true statements are (d) and (e)

Read more about proportions and percentages at:

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answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.