Answer:
20%
Step-by-step explanation:
2.5 min =(60×2.5)sec=150 sec
30sec to 150sec=30×100/150=20%
Answer:
3 times
Step-by-step explanation:
heaviest : 9/10 kg.. 0.9kg
lightest : 3/10 kg.... 0.3kg
0.3/0.9 = 1/3
Answer: A=113.1cm
Step-by-step explanation:
Answer:
$24
Step-by-step explanation:
160 * 0.15 = 24
Answer: look at the picture
Step-by-step explanation: Hope this help :D