Un barco con 100 personas naufragó. De los sobrevivientes se sabe que la doceava parte son mujeres y que la quinta parte de los muertos son casados.
Hallar los muertos con los datos brindados.

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24