11.43 hope you have a good day
7<span>x^4y^6 - Selection 3 is correct!</span>
You are dividing a number (x) by three and then subtracting 1 like this. (x/3)-1
Round each coin weight to the nearest gram first, penny 3g, nickel 5g, dime 2g, quarter 6g, half dollar 11g. Now add those numbers together as he has one of each coin 3+5+2+6+11=27 grams
