1. if a dozen eggs (12 eggs) are worth 3 cowry shells, how much would 6 dozen be worth? a. 9 cowry shells b. 36 cowry shells c. 18 cowry shells d. 15 cowry shells 2. i have 7 cowry shells. if a dozen eggs (12 eggs) cost 3 cowry shells, how many dozens can i purchase? a. 21 dozen b. 2 dozen c. 9 cowry dozen d. 3 dozen,

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1) 1 dozen of eggs costs 3 cowry shells
   6 dozens of eggs cost ? cowry shells

We can put this into ratio form and solve my cross multiplying



18 = ?

6 dozen of eggs is worth of 18 cowry shells
Your answer is C) 18 cowry shells

2) I have 7 cowry shells, 1 dozen costs 3 cowry shells
We can only purchase 2 dozens of eggs

2 x 3 = 6 cowry shells, we do not have enough cowry shells to buy more
Your answer is option B) 2 dozens