a concert was held at the park. for every 3 men who attended there were 4 women. If 189 people attended the concert, how many were men? how many were women?

81 men and 108 women

Step-by-step explanation:

3 men +4 women=7

189÷7=27.

for every 3 men,27×3=81

for every 4 women,27×4=108

step-by-step explanation:

what is the figure? attach a picture.

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.