Leo invested a certain amount of money for one year. he invested $1,000 of the amount at c percent simple annual interest and the rest of the amount at d percent simple annual interest. if the amount that leo invested at c percent annual interest and the amount that he invested at d percent annual interest earned $30 in interest for that year, what was the total amount that leo invested for that year?
(1) c - d = 1
(2) c = 0.75d

What is an example of a good stock to buy in a recession? a) cyclical stock b) defensive stock c) income stock d) bond

Personal financial planning is the process of creating and achieving financial goals? true or false

Bakery has bought 250 pounds of muffin dough. they want to make waffles or muffins in half-dozen packs out of it. half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. it take bakers 6 minutes to make a half-dozen of waffles and 3 minutes to make a half-dozen of muffins. their profit will be $1.50 on each pack of waffles and $2.00 on each pack of muffins. how many of each should they make to maximize profit, if they have just 20 hours to do everything?