Johnny wants to ship a package to his friend a shipping company charges 2.49 for the first pound and 1.24 for each additional pound if it cost johnny 11.17 to ship the package how much did his package weigh

His package weighed 8 pounds. You find this by doing 11.17-2.49=8.64 for the first pound. Then you do 8.64/1.24=7 to find it was an additional 7 pounds. You add 7+1=8 to find his package weighed 8 pounds in total

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.