¿Alguien tiene grupos que pasen tareas de la plataforma de aprendo en casa (Perú)? Le doy coronta al q pase link porfa xd

the answer is 1/4

step-by-step explanation:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

he has 140 chickens because he has 10 times more chickens than ducks and he has 14 ducks so 14*10=140

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.