Answer:
"In word" as in word form?
3/4 = three fourths
1/5 = one fifth
3/4 = three fourths (again?)
1 3/5 = one and three fifths
He made the first error in number 3
15$ I believe, as we can disregard the two original books (they have been payed for) leaving her to buy 1 book and having seven dollars, however if she needs $8 more you simply need to add 8+7.
36% of 51,000 is 18,360, so 51,000 - 18,360 = 32,640
The company had 32,640 employees last year
Hope that helps
Un número primo es un número entero mayor que 1, cuyo sólo dos factores de números enteros son 1 y en sí.