The weight of 7 books is 490 grams.How many books weigh 280 grams?
vedasrireddy:
This question is from direct and inverse proportions chapter class 8
Answers
Answered by
0
Ratio is -
7 : 490 :: x : 280
7/490 = x/280
x = 1/70 * 280
x = 28/7 = 4
4 books.
not tooo bad
Answered by
0
Answer:
No. of books = 28/7 = 4 books
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