Answer:
Step-by-step explanation:
please help
So based on place values, the One's place is occupied by 4. To round to this digit, you go one number to the right. If that number is 5 or higher, you add one to 4. If it is less than 5, you don't add any to 4. Since 7 is greater than 5, you add 1 to 4, giving you 5, since you can now remove all the other numbers to the right.
5.
Answer:
either 40 or 140
Step-by-step explanation:
Best choice for variables.....I would let students be " s " and parents be " p "
