John plans to finish a bike race that is 77.8 km long. He has already biked 69.75 km.
About how much farther does John have to bike? Round each number to the nearest kilometer before estimating.
A.
8 km
B.
12 km
C.
20 km
D.
148 km
is it D.?

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- anonymous

i think D

- anonymous

your answer is A

- anonymous

you wanna know how

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## More answers

- anonymous

yes i do

- anonymous

do i divide them or times them

- anonymous

ok so the question says he has to bike a total of 77.8 right?

- anonymous

right

- anonymous

ok what is 77.8 rounded up to the nearest number

- anonymous

umm 77.0 or 70.0 i think

- anonymous

it owuld be 78

- anonymous

think about it this way

- anonymous

if its 5 or greater you round up if its 4 or lower you round down

- anonymous

so your first answer is 78

- anonymous

now what is 69.75 rounded up

- anonymous

69.80 or 60.80?

- anonymous

no it would be 70 cause your rounding to the nearest whole number

- anonymous

ohh ok give me another one

- anonymous

so what is 78-70 or 70 plus what equals 78

- anonymous

78-70 is 8

- anonymous

there you go thers your answer

- anonymous

thank you so much! ill message you if i forget

- anonymous

ok fan me and message me if you need me again

- anonymous

ok i will

- anonymous

see you later

- anonymous

byeez

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