A hamster's heart beats about 2,250 beats every 5 minutes. A dog's heart beats about 450 times every 5 minutes. How many more beats does a hamster's heart beat in 10 minutes than a dog's heart?

4,100

Step-by-step explanation:

add 2,250+2,250=5,000

then add 450+450=900

5000-900+4100

therefore the hamster's heart beats 4,100 more times than a dog in 10 min

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2 over 5

step-by-step explanation:

the 2: 3 ratio is the length of the ac segment to the cb segment total length. this implies that the ratio between segment ac length and segment ab length is 2: 5. point c is 2/5 from a to b, so the required fraction is 2/5.