Respuesta :

Answer:

[tex]61\%[/tex]

Step-by-step explanation:

Cost in December[tex]=\$159[/tex]

Cost in January[tex]=\$62[/tex]

Total decrease in the cost[tex]=159-62=\$97[/tex]

[tex]Percentage\ decrease=\frac{97}{159}\times100\\\\=61.006\approx 61\%[/tex]