In a group of 36 children, there are twice as many boys as girls. how many girls are there?

12 girls

Step-by-step explanation:

boys : girls

2x : x

There are twice as many boys as girls

The total is 36

2x+x = 36

3x= 36

Divide each side by 3

3x/3 = 36/3

x = 12

boys : girls

2*12 : 12

24  : 12

There are 24 boys and 12 girls

about 168 miles

step-by-step explanation:

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.