A retailer purchased eggs at $2.80 per dozen and sold the eggs at 3 eggs for $0.90. What was the retailer's gross profit from purchasing and selling 5 dozen eggs? (1 dozen eggs = 12 eggs) 选项: A、$0.90 B、$2.40 C、$4.00
this book examines head lice. It covers such topics as head lice habitats (human heads only, dogs are gross), anatomy (his body is slightly see through, so he can always see what he ate for lunch), and parenting practice (the female louse sticks eggs to human hair and uses the leftov...