Question 1152073
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Different people are going to do this in different ways.  The basic strategy is to look for ways that make the calculations easier.<br>
Glancing quickly at the given amount, I immediately see one amount with 85 cents and another with 15 cents.  Those add up to a dollar, so I am going to use that "shortcut" somehow in my calculations.<br>
I might look just at the cents first, and then do the dollars separately.  That way I would have the 85 cents plus the 15 cents giving me a dollar; then the other cents, 50 and 75, give me another $1.25, so the total of the cents is $2.25.<br>
Then I could add up the dollars to get 2+8+3+1 = 14; so the final total is $14+$2.25 = $16.25.<br>
Being good with mental arithmetic, I wouldn't do the cents and dollars separately.  I would start with the $3.85 plus $1.15 giving me $5; then the other two added together give me $11.25, making the final total $16.25.<br>