Question

Regan likes to make desserts for bake sales. Last month, she made 2 batches of brownies and 2 batches of cookies, which called for 10 eggs total. The month before, she baked 1 batch of brownies and 2 batches of cookies, which required a total of 7 eggs. How many eggs did Regan use for a batch of each dessert?

Answer 1

she uses 6 for brownies and 4 for cookies

Explanation:

when we take away a batch of brownies that is 3 fewer eggs and another is 3 more which leaves the 4 left for cookies