Answer:
Step-by-step explanation:
Answer:
the second one would be the answer
Answer:
-2.25
Step-by-step explanation:
9(1-x) = 27Y
9-9x =27y
-9x -27y = -9 multiply all terms by -1
9x +27y =9 equation (1)
x-y= -11/2 equation (2)
by solving 2 equations
x= -3.875
y= 1.625
∴ x+ y = 1.625 +(-3.875) = -2.25
Answer:
504 miles
Step-by-step explanation:
you would do 756÷12 which equals 63.... For every hour that you drive its 63 miles. Then you do 63×8 to get 504
Answer:
Yes
Step-by-step explanation:
7 yards of rope is the same as 21 feet of rope. The required amount of rope is 20, meaning that it is possible to play double dutch.
