Answer:
g+r=15 and 2.00g+4.50r=37.50 are the two equations you need to use
Step-by-step explanation: IM NOT COMPLETLEY SURE THO
In π = 7x - 2y we first isolate y by adding 7x on both sides.
This gives us π + 7x = -2y. Divide 2 on both sides, then we are left with:
y =
The answer is y=1 and x=-3
Answer:
Total distance covered each week is
Step-by-step explanation:
Given
Days = 5 days
Distance = miles
Required
Determine the total distance covered in a week
To do this, we simply multiply distance by number of days.
Convert to improper fraction
Hence, the total distance covered each week is
Answer:
The number of students that bring their lunches is 12
Step-by-step explanation:
Let
x -----> the number of students that bring their lunches
y -----> the total number of students in a class
we know that
The number of students that bring their lunches divided by the total number of students in a class must be equal to 3/8
-----> equation A
-----> equation B
substitute the value of y in equation A and solve for x
therefore
The number of students that bring their lunches is 12