Doug spent $12 on a ticket to the county fair. He now has 60% of his original amount of money remaining. How much money did Doug originally have? A. $20
B. $30
C. $40
D. $50​

Which ahows the graph of the solution set of 6x+4y< 12

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?