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lesya692 [45]
3 years ago
15

Is $12 for 3 books; $28 for 7 books proportion

Mathematics
2 answers:
anastassius [24]3 years ago
3 0
Yes, it is proportional. Every book is $4. 3 x 4 is 12, 7 x 4 is 28.
Black_prince [1.1K]3 years ago
3 0
12÷3=4/1 is the porpotional 28÷7=4 is the porpotional The porpotional for both of them is 4
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