Jack's pet dog has been prescribed x mg of a medicine per day. Each pill of the medicine has 10 mg of the medicine. Jack has to give his dog a total of 30 pills. If Jack gave his dog medicine for 9 days, use the expression below to interpret the situation.

30 - 9 times x over 10

Part A: What does x over 10 represent? (3 points)

Part B: What does the 9 times x over 10 represent? (3 points)

Part C: What does the entire expression represent? (4 points)

Question

Jack's pet dog has been prescribed x mg of a medicine per day. Each pill of the medicine has 10 mg of the medicine. Jack has to give his dog a total of 30 pills. If Jack gave his dog medicine for 9 days, use the expression below to interpret the situation.

30 - 9 times x over 10

Part A: What does x over 10 represent? (3 points)

Part B: What does the 9 times x over 10 represent? (3 points)

Part C: What does the entire expression represent? (4 points)

anonymous · Answer

x/10 represents the number of pills per day needed to be given.

9*x/10 represents the total number of pills given over the nine days

30 - 9*x/10 represents the number of pills left after the nine days