It’s 20000 but not sure about it
She can use 68 + 20 = 88 to help by noticing that the 20 is ahead of 19 by 1. She can easily mentally turn the 20 into a 19 and realized that the 88 would become 87.
Answer:
37 minutes
Step-by-step explanation:
Answer:
c = 3.4. I hope this is the answer:)
I could be 7- or it could be just 7
