SOLUTION: i have a few questions so here they are: 1. what is the unit rate for a package of 3 notebooks costing $3.39. 2. what is the unit price when fabric costs $12.76 for 4 yards. 3

Question 417079: i have a few questions so here they are:
1. what is the unit rate for a package of 3 notebooks costing $3.39.
2. what is the unit price when fabric costs $12.76 for 4 yards.
3. show how you would determine if these ratios are proportional 12/15and 3/5
4. how would you determine if these ratios are proportional 8/5 and 104/65
5. whats the proportion of this 12/18 and 6/n
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
1)
unit price means each
3.39/3=1.13 ea
2)
12.76/4=3.19
3)
12/15 is a multipal of 3/5
4)
divide the top by 8 and the bottom by 5
they both equal 13
5)
12n=6*18
12n=108
n=9
6/9
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