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1-2) 3:6 = N:24
3-4) 11/N = 1/2
5-6) 5:9 = 10:N
7-8) in a tree-planting project, there are 4 girls for every 3 bags. how many bags are there if there are 12 girls?
9-10) the ratio of math books to science books ina class is 8 to 5, how many math books are there if there are 245 books of science?
1-2) 3:6 = N:24
3-4) 11/N = 1/2
5-6) 5:9 = 10:N
7-8) in a tree-planting project, there are 4 girls for every 3 bags. how many bags are there if there are 12 girls?
9-10) the ratio of math books to science books ina class is 8 to 5, how many math books are there if there are 245 books of science?
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SOLUTION⤵️
FIRST QUESTION
3(24)=6(N)
72 = 6N
72÷6 =N
12 = N
SECOND QUESTION
11(2)= N(1)
22 = N
THIRD QUESTION
4(N) = 3(12)
4N = 36
N = 36÷4
N = 9
FOURTH QUESTION
8(245) = 5(N)
1960 = 5N
1960÷5 = N
392 = N
ANSWER⤵️
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