Respuesta :

60÷2+9 = 39
60-39=21
betty has 21$
ann has 39$
italiamilani
let b=betty’s amount ; let 2b+9=ann’s amount
b + 2b + 9 = 60
3b=51
b=17
2(17)+9=43
betty has $17
ann has $43

Otras preguntas