Respuesta :
Answer:
Nicole spent $42
Step-by-step explanation:
30=100%
140/100=x/30 (proportion) (cross multiply)
100x=4200
x=42
Answer:[tex]\\[/tex] (a) X = $30 + 40% of $30
[tex]\\[/tex]it could also be written as ; X = 140% of $30
[tex]\\[/tex]= $ 42
Step-by-step explanation:
[tex]\\[/tex]Amount spent last month = $30
[tex]\\[/tex]Let the amount spent this month be x,
[tex]\\[/tex]Then , x = 140% of $30
[tex]\\[/tex]x = 140/100 X 30
[tex]\\[/tex]x = $42