You buy butter for $3 a pound one portion of onions compote requires 2.0ounces of butter how much does the a butter for one portion cost round to the nearest cent

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.