It's nice to help your sister.
a) 9711 rounds to 10000
b) 6549 rounds to 7000
c) 25499 rounds to 25000
d) 979501 rounds to 980000
What you can do is start with the key details in it... the main ones are that the bacteria grows every 30 minutes, you start with 1 bacteria, and the end time is 180 minutes. Basically you know that 3 goes into 18 6 times so 30 goes into 180 6 times which means that if you started with 1 bacteria you will end up with 7. Understand?
BC= 30
Reason: 64-8
56/7
8=x
3x=24
24+6
30
Can u please rewrite the problem the handwriting is hard to read
Answer:
i think it would be c (the third one)
Step-by-step explanation:
because for every meal he has to subtract 2.25 from 35