Please help 20 points help asap decimals on a numberline

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Plzzz answer both questions and i will give you 100 points