Kim buys a coffee for 0.85 and a roll for 1.70 he give 5 dollares how much does he get back

$2.45

Step-by-step explanation:

Kim bought two items so you want to add their total together

1.70+0.85=2.55

if she paid with a 5 and needs change you do

5-2.55=2.45

first you will need to add up the two items that Kim is purchasing. 0.85+1.70.

0.85+1.70=2.55

Once you have the total of the costs you will subtract it by the amount of money Kim has. 5.00.

5.00-2.55=2.45.

Kim will get back 2.45 if he pays with 5 dollars.

Hope this helps! :D

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