Which estimate is most reasonable?

Charlie purchases a box of cereal for $3.98, hamburger for $5.76, tomatoes for $2.87, and milk for $4.46. He has $20 with him. About how much change should he expect to receive?

$5

$3

$2

$4

Question

Which estimate is most reasonable?
 

Charlie purchases a box of cereal for $3.98, hamburger for $5.76, tomatoes for $2.87, and milk for $4.46. He has $20 with him. About how much change should he expect to receive?


		
$5
		
$3
		
$2
		
$4

mathmale · Answer

Round off all of the given prices.  For example, $3.98 becomes $4, whereas $3.49 would become $3.

Add together all of these rounded-off figures.  Subtract your total from $20.  Please show your work; do it here.

jimbo69 · Answer

Ah ok let me think

jimbo69 · Answer

$5.76=$6, 2.87=$3, 4.46=$4, and like you said 3.98=$4 and 3.49=$3

jimbo69 · Answer

Then 6+3+4+4+3=$20

jimbo69 · Answer

@mathmale

jimbo69 · Answer

I'm just gonna guess it and see what happens.