Answer:
4 hours
Step-by-step explanation:
Distance covered = 30 km
Usual Speed of both = 10km/hr
Justin's speed = 1/2 * 10 = 5km/hr
Ari's speed = 3/2 * 10 = 15 km/hr
Time taken = distance / speed
Justin's time = 30 / 5 = 6 hours
Ari's time = 30 / 15 = 2 hours
Time difference = (6 - 2) = 4 hours
Answer:
y= 3/2x -12
Step-by-step explanation:
subract x then u got -2y=-3x+24
divide everythang by -2
then u got y=3/2x -12
Well 10 x 2 = 20.
The building from the ladder is 20ft
Hi it is 7n I hope I was right
Length.
96÷8=12inches
Perimeter.
(12+8)+(12+8)
20+20=40inches