Answer:
180 rolls.
Step-by-step explanation:
0.45x = 81
x = 81/0.45
x = 180
Step-by-step explanation:
100Km/hours......V/T
They are both the same equations, the procedure to obtain x value will be equivalent.
Answer:
7.8 x 10^4 or 7.8e4 hope this helps!