I believe the answer would be 28
20ml = 80ml / 4 = 380/4 = 95 mg
Flow rate: 95 mg / hr
The patient needs one hour
Answer:
6028.8
Step-by-step explanation:
a) 2 pounds of Sour Patch Kids
b) 3 pounds of Rolos
Step-by-step explanation:
Given,
Pounds of candy bought = 5 pounds
Cost of sour patch per pound = $2.25
Cost of Rolos per pound = $1.75
Total amount spent = $9.75
Let,
x = Number of pounds of sour patch
y = Number of pounds of rolos
x+y=5
x = 5-y Eqn 1
2.25x+1.75y=9.75 Eqn 2
Putting value of x from Eqn 2 in Eqn 1
Dividing both sides by 0.5
Putting y = 3 in Eqn 1
a) 2 pounds of Sour Patch Kids
b) 3 pounds of Rolos
Keywords: linear equations, substitution method
Learn more about substitution method at:
#LearnwithBrainly
the correct question is
<span>The length of a rectangle is represented by 4a + 3b, and its width is represented by 3a-2b. Write a polynomial for the perimeter of the rectangle. What is the minimum perimeter of the rectangle if a=12 and b is a non-zero </span>whole number?
we know that
Perimeter of a rectangle=2*[length + width]
length=(4a+3b)
width=3a-2b
so
P=2*[(4a+3b)+(3a-2b)]-----> P=2*[7a+b]-----> P=14a+2b
the answer part a) is
A polynomial for the perimeter of the rectangle is P=14a+2b
Part b)
for a=12
P=14*12+2b---------> P=168+2b
<span>the minimum perimeter of the rectangle is for b=1
</span>so
P=168+2*1-----> P=170 units
the answer part b) is
the minimum perimeter of the rectangle is 170 units