Write the missing term in a proportion. Write your answer on the blank.
21) 3 : 5 = n : 25 n=_______
22) 20 : 24 = n =6 n=_______
23) n : 6 = 3 :2 n=_______
24) 2 : 4 = 7 : n n=_______
25)6 : 9 = n : 12 n=_______


Sagot :

21.

3:5 = n:25

3:5 x 5:5 = n:25

15:25 = n:25

n = 15

22.

20:24 = n:6

20:24 / 4:4 = n:6

5:6 = n:6

n = 5

23.

n:6 = 3:2

n:6 = 3:2 x 3:3

n:6 = 9:6

n = 9

24.

2:4 = 7:n

2:4 x 3.5:3.5 = 7:n

7:14 = 7:14

n = 14

25.

6:9 = n:12

6:9 / 3:3 x 4:4 = n:12

8:12 = n:12

n = 8