One batch of walnut muffins uses 1 1} cups of walnuts. How many cups of
walnuts are needed to make 3 batches of muffins?
3 3/12cups
5 1/2 cups
5 cups
4 cups

(40 points) i need some . an answer definition is appreciated as well.

How many grams must be adde to 970g to make 1 and a half kg

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.