ratio of 9:2
means for every 9 cows there are 2 horses
72/9 = 8
8 x 2 = 16
there are 16 horses
-x - 50/10 = -2x + 150/10 <=== ur equation
-x + 2x = 150/10 + 50/10
x = 200/10 reduces to 20
Answer:
3/2 cm/s
Step-by-step explanation:
speed = gradient of the line (slope)
To calculate the slope divide the change in y by the change in x:
(9 - 0) / (6 - 0) = 9/6 = 3/2 cm/s
Answer:
if im not mistaken.. i would say its -3.5 or -7/2
Step-by-step explanation: