Answer:
138
Step-by-step explanation:
x is an exterior angle of a triangle.
If you didn't know, an exterior angle of a triangle is equal to the sum of its opposite interior angles.
The opposite interior angles of x have measures of 80 degrees and 58 degrees.
Hence, x = 80 + 58 = 138
Step-by-step explanation:
REO=RBO=67
BOR=ERO=91
REB=REO-BE0=67-32=35
RYE=180-ERO-REB=180-91-35=54
Usando proporciones, se encuentra que 400 africanos han participado.
En total, hay x participantes.
de los corredores son europeos, o sea:

Los americanos son la dècime parte de los europeos, o sea:

Los africanos son la quinta parte de los americanos, o sea:

En la carrera han inscritos 24 000 participantes, o sea,
. Por eso, la cantidad de africanos es:

Para obtener más información sobre las proporciones, puedes visitar a brainly.com/question/24615636
Answer:
Step-by-step explanation:
A shopper paid $2.52 for 4.5 pounds of potatoes. This means that the unit price for each potato would be
2.52/4.5 = 0.55556
Approximately $0.6 per pound.
The shopper paid $7.75 for 2.5 pounds of broccoli. This means that the unit price for each broccoli would be
7.75/2.5 = $3.1 per pound.
The shopper paid $2.45 for 2.5 pounds of pears. This means that the unit price for each pear would be
2.45/2.5 = $0.98 per pound
It’s 5 1/3 because 16 divided by 3 is 5 1/3