Answer:
3/ 5 is the simplest form
Answer: 180 cm
Step-by-step explanation: 1 decimeter = 10 centimeter
18 dm = 10 * 18 cm
18 dm = 180 cm
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87.5
Step-by-step explanation:
mental math
Equation:
distance = distance
72x = 90(x-1)
72x = 90x-90
18x = 90
x = 5 hrs
x-1 = 4 hrs
the answer is C