Acake recipe calls for 30 milliliters of water for every 20 milliliters of cooking oil. how many milliliters of water are needed if 50 milliliters of cooking oil were

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

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?

2x minus y equals 6, x plus y equals negative 3