contestada

When courtney collected her change she realized she had five times as many dimes as quarters. her dimes and quarters totaled $5.25. how many quarters did she have?

Respuesta :

tramserran

Dimes (0.10): 5Q

Quarters (0.25): Q

 Dimes  + Quarters = Total

0.10(5Q) +  0.25(Q)  = 5.25

0.50Q    +  0.25Q    = 5.25

         0.75Q             = 5.25

         [tex]\frac{0.75Q}{0.75}[/tex]            = [tex]\frac{5.25}{0.75}[/tex]

                Q              = 7

Answer: 7 quarters

Otras preguntas