Question 382677
Liza has 40 less than 3 times B (because B is the number Janice has).  This can be written as {{{3*B-40}}}.  You want the number they have together, which means you want to add together Liza's and Janice's: {{{3*B-40+B}}}.  When you combine like terms, you get {{{4*B-40}}}