At Easter, Bret's Grandma sent him a chocolate bunny weighing \( \frac{1}{2} \) of a pound. If he ate \( \frac{2}{3} \) of it in the first two de how many pounds of chocolate did he eat? \( \frac{1}{6} \) of a pound \( \frac{1}{3} \) of a pound \( \frac{2}{6} \) of a pound \( \frac{1}{2} \) of a pound

Determine o primeiro termo da PA na qual \( \mathrm{a} 11=10 \) e \( \mathrm{r}=-1 / 3 \).

a) \( 2^{5}= \)

4. Grandma's cookie recipe calls for \( 1 / 2 \) oup of oatmeal for every \( 3 / 4 \) cup of flour. How much flour will Grandma need if she uses 2 cups of oatmeal?

Heather is building a model volcano for the science fair. To find the right ratio, she starts by mixing small amounts of baking soda and vinegar. She finds that adding 1.5 teaspoons of baking soda for every fluid ounce of vinegar produces the best eruption. If Heather plans to use 0.5 cups of vinegar for her project, how many tablespoons of baking soda should she use? Hint: There are 3 teaspoons in 1 tablespoon. There are 8 fluid ounces in 1 cup. Write your answer as a whole number, decimal, or simplified fraction. Do not round.

3) Maurice has a pet hamster. In October he spent \( \$ 13.68 \) on hamster food \( \$ 7.89 \) on wood shavings \( \$ 21.14 \) on a new hamster wheel. About how much money did he spend on his hamster? Estimate by rounding each amount the nearest dollar. Exactly how much did he spend on his hamster in October?