I don't know this yet
Answer:
The value of the width must be less than or equal to 4.1 meters
Step-by-step explanation:
we know that
The perimeter of the rectangular section is given by
we have
substitute
Remember that
The manager can use no more than 23 m of rope
so
The perimeter must be less than or equal to 23 m
solve for W
subtract 14.8 both sides
divide by 2 both sides
The value of the width must be less than or equal to 4.1 meters
b. If only half as much milk is used each day, after how many days will more milk need to be purchased?
Answer:
explained
Step-by-step explanation:
a. daily requirement of milk = 4 liters
15 liters of milk is present
this 15 liters of milk will be used up in days
= 3(3/4) days , so after 3 days only more milk will be required to purchase.
b. daily milk consumption is reduced to half = 2 liters
Now, 15 liters of milk will be used up in = 7.5 or 7(1/2) days.
Hence now milk will be purchased after 7 days.