Exercise 7.2
c. 1, 5, 5, 25
f. 21, 15, 9.6
1. Which of the following are in proportion
a. 12. 16. 21. 28

Exercise 7.2
c. 1, 5, 5, 25
f. 21, 15, 9.6
1. Which of the following are in proportion
a. 12. 16. 21. 28
b. 21, 16, 25, 20
d. 23, 44, 75, 100
e. 4. 9, 12, 27
Classify the following statements as true or false,
12:16 3:4
b. 3:9 = 15:45
3:5–6:9
e. 6:9= 9:12
what value of are the follo
c. 4:12 = 6:18
f. 2:56:9​