laurenrubin18
01.11.2020 •
Mathematics
The resting heart rate of an adult is usually about 60 beats per minute. How many minutes it will take for the average resting heart to beat 1,000,000 times? Round up to the nearest one's place.
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Ответ:
Step-by-step explanation:
1000000/60= 16666.6 so 16667
Ответ:
50%
Step-by-step explanation:
I'm converting 7kg to grams to make it easier. So £10 = 7000g
£1 = 7000÷10 = 700g
700g÷2 = 350g and if you follow the ratios on top, she payed 50p per 350g
She sells a bag of 350g for 75p.
Percentage profit=
× 100
75p - 50p = 25p = change in cost
Percentage profit=
× 100
= 50%