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 ?

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  the total amount of liquid plant food he needs for 12 weeks. It can be calculated by multiplying 12 by 0.40 mililiters. Then:

Make the conversion from mililters to liters (Remember that 1 liter has  1,000 mililiters):

Then, he needs for 12 weeks:

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.

john has 55 candy left.

i think is g(1)=-1.

hope that i can