Answer:
0.3 cm
Step-by-step explanation:
1 cm = 10 mm
1) Using proportion:
1 cm ----- 10 mm
x cm ----- 3 mm
x = 1 cm * 3 mm/10 mm = 0.3 cm
2) 3 mm * 1cm/10mm = 0.3 cm
3mm = 0.3 cm
3mm = 3/10 = 0.3cm
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Answer:OI>>>
2400 words
80 = 2 min
60min ÷ 2min = 30min
30 × 80 = 2400 words
