58 Which of the following shows direct proportion?
A. 30:18 = 36:15.
B. 9:2 = 3:1
C. 5:3 = 25:15
D. 4:15 = 10:45
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58 Which of the following shows direct proportion?
A. 30:18 = 36:15.
B. 9:2 = 3:1
C. 5:3 = 25:15
D. 4:15 = 10:45
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Answer:
B. 9:2 = 3:1
Step-by-step explanation:
Two quantities are said to be in direct proportion if they increase or decrease in the same ratio. If two amounts are directly proportional we can scale the quantities up by multiplying.