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A science teacher has 0.4 liter of seawater .She gives each of her 22 students a container and a 5-millimeter spoon. She their asks her students to put two spoonfuls of of seawater into their containers.How many milliliter of seawater will be left after all 22 students have filled their containers?

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carlosego
"her students to put two spoonfuls of seawater into their containers"
 We have then:
 (2) * (5) = 10 mililiter
 "he gives each of her 22 students a container"
 Thus,
 (22) * (10) = 220 mililiter
 Therefore, they will remain:
 (0.4 * 1000) - 220 = 400 - 220 = 180 milliliter
 Answer:
 There will be left 180 mililiter of seawater after all 22 students have filled their containers

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