Respuesta :
Answer:
243 pages
Step-by-step explanation:
Write a proportion. 81 pages is to ¼ of the book as x pages is to ¾ of the book.
81 / ¼ = x / ¾
Cross multiply and solve:
¼ x = ¾ (81)
x = 3 (81)
x = 243
Answer:
243 pages
Step-by-step explanation:
Write a proportion. 81 pages is to ¼ of the book as x pages is to ¾ of the book.
81 / ¼ = x / ¾
Cross multiply and solve:
¼ x = ¾ (81)
x = 3 (81)
x = 243