How can you keep track of the amounts of money in the verbal problem?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year