C.Solve for the following proportion for n. Use cross multiplication method.
______20. 3/4 = n/40 a. 25 b. 20 c. 15
______21. 6:n = 3:12 a. 22 b. 24 c. 26
______22. 3:8 = 12:n a. 30 b. 32 c. 34
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______20. 3/4 = n/40 a. 25 b. 20 c. 15
______21. 6:n = 3:12 a. 22 b. 24 c. 26
______22. 3:8 = 12:n a. 30 b. 32 c. 34
Pa answer po ng maayos☺️☺️☺️
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Answer:
20. 30
21.b
22.b
number 20 explanation:
3/4 = n/40
3 and 40 are called extremes
4 and n are called means
multiply 3 by 40 then divide the quotient by 4
3×40= 120
120÷4= 30