Dave swam 6 laps and did 9 dives at the swimming pool. crystal did 4 dives and swam 8 laps. how many more laps than dives did crystal and dave do

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Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.