Asked by Jordan

Kelly subtracted 2.3 from 20 and got 17.7. Explain why this is reasonable.
Answered by Ms. Sue
This is reasonable because 20 - 2 = 18.

Think about it in terms of money. Your bill comes to $2.30. You give the clerk a $20 bill and she gives you $17 in bills plus some change.
Answered by PsyDAG
20 - 2 = 18

Subtracting .3 more gives you 17.7.

I hope this helps. Thanks for asking.
Answered by wcnk
WAtup
Answered by jasmin
17.7
Answered by DeYanna Champion
It is reasonable because If you subtract 20 - 2 it is 18 and all it is doing is just adding a .3 to the 2 so it would just be subtracting 20 - 2.3 which is no difference and subtracting .3 more would give you the answer 17.7. hope that this gives you an A+ on your homework because I had this on my homework. My age is 10 and I run track,and actually I just won the JR. Olympics in Jacksonville, Florida.Also I was on the NEWS. My birthday is JAN.30,2005.I go to Deca-Prep.
Answered by demarion
17.7
Answered by Mira smith
Were I ph 2 7
Answered by Aisha
Because if you work it out on your paper and line up the decimals you will obviously get 17.7
Answered by bla
ba
Answered by A
maybe this will help you.
Im in the 5th grade. Im 11 years old.
The answer is reasonable because if you subtract 20-2 you would 18. and subtracting 20-2.3 is just subtracting .3 and your answer would be 17.7 in decimals. as a whole number it would be 17 7/10 or 100.
hope this will help you do your math homework because this site has helped me with my homework right now. thank you and hope someone will give me a thank you to help them with their homework.
Answered by Vanna
Thank u
Answered by Math genius
I am a genius beecus I spel thingz soooo rite.
and Im NEBER EBER RONG
Answered by Katie
Dear Math genuis.
I understand that you can spell things right. But I do not understand that you are a genuis. Because you are wrong am I am right.

From, Katie
6years old
Answered by Sara
All of theses didn't work
Answered by Dd
I got the same answer
Answered by in Mrs fruits class Longley way
if you have 2.3 and you take away the two tenths plus the three others in decimals you will theoretically you will have 17.7.
Answered by Why is everyone disliking random comments?
Why is everyone disliking random comments?
Answered by What?
Wait ms sue answer in 2008
Answered by Lily
this answer is reasonable because 20–2=18.Think about it in terms of money.Your bill comes$2.30. You give the clerk a $ 20 bill and she give you$17 in bills plus change.Does it helps you
Answered by Lily
Thanks Lily that helped me a lot :)
Answered by Mrs.Vazquez
Yes, Ms.Sue is correct and all the others who gave the same response as Ms.Sue.
Answered by Amelia
That was so helpful thank you
Answered by Sariah
Thank you very much for helping me with this math problem!! :)
Answered by seesaw?!?!
did not help
Answered by Kylie
Help me
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