Answer:
3.) b
4.) c
Step-by-step explanation:
3.) a. 3 : 5 = 4 : 6
5 and 4 are means; 4 and 6 are extremes
5 × 4 = 20 ; 6 × 3 = 18
Answer: 20 = 18 is Not Proportion
b. 12 : 8 = 36 : 24
36 and 8 are means; 24 and 12 are extremes
36 × 8 = 288; 24 × 12 = 288
Answer: 288 = 288 is Proportion
c. 5 : 9 = 9 : 5
9 and 9 are means; 5 and 5 are extremes
9 × 9 = 81 ; 5 × 5 = 25
Answer: 81 = 25 is Not Proportion
d. 81 : 18 = 12 : 21
18 and 12 are means; 81 and 21 are extremes
18 × 12 = 216 ; 81 × 21 = 1701
Answer: 12 = 1701 is Not Proportion
4.) 5 : 8 = 30 : n
30 and 8 are means; 5 is extremes; n = ?
30 x 8 = 240 ÷ 5 = 48
Answer: c. 48
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Answers & Comments
Answer:
3.) b
4.) c
Step-by-step explanation:
3.) a. 3 : 5 = 4 : 6
5 and 4 are means; 4 and 6 are extremes
5 × 4 = 20 ; 6 × 3 = 18
Answer: 20 = 18 is Not Proportion
b. 12 : 8 = 36 : 24
36 and 8 are means; 24 and 12 are extremes
36 × 8 = 288; 24 × 12 = 288
Answer: 288 = 288 is Proportion
c. 5 : 9 = 9 : 5
9 and 9 are means; 5 and 5 are extremes
9 × 9 = 81 ; 5 × 5 = 25
Answer: 81 = 25 is Not Proportion
d. 81 : 18 = 12 : 21
18 and 12 are means; 81 and 21 are extremes
18 × 12 = 216 ; 81 × 21 = 1701
Answer: 12 = 1701 is Not Proportion
4.) 5 : 8 = 30 : n
30 and 8 are means; 5 is extremes; n = ?
30 x 8 = 240 ÷ 5 = 48
Answer: c. 48
#CarryOnLearning
#bRAInGELster17