Q:

William bought a 0.5 -liter bottle of liquid plant food. He uses 40 milliliters each week? How much plant food does William need for 12 weeks? Is one bottle enough for 12 weeks ?

Accepted Solution

A:
Answer: He needs 0.48 liters of plant food. Yes, one bottle is enough for 12 weeks.Step-by-step explanation: William uses 40 mililiters each week. Let be [tex]x[/tex]  the total amount of liquid plant food he needs for 12 weeks. It can be calculated by multiplying 12 by 0.40 mililiters. Then: [tex]x=(12)(40mL)\\x=480mL[/tex] Make the conversion from mililters to liters (Remember that 1 liter has  1,000 mililiters): [tex](480mL)(\frac{1L}{1,000mL})=0.48L[/tex] Then, he needs for 12 weeks:  [tex]x=0.48L[/tex] As he bought a 0.5 -liter bottle of liquid plant food and he needs 0.48 liters for 12 weeks, you can conclude that one bottle is enough for 12 weeks.