Antonio read the first 60 pages of his book in 40 min at this rate how long should it take him to read the rest of his 210 page book

100 minutes or 1 hr 40 minutes

Step-by-step explanation:

rate = 60 pages/40 min = 3/2 pages per minute

his book is 210 pages

he read 60 pages

210 -60 = 150 pages left to read

150 pages = 3/2 pages per minute * time

divide each side by 3/2

150 / (3/2) = time

150 * 2/3 = time

100 minutes

subtract 60 minutes  (60 minutes = 1 hr)

1 hr 40 minutes

the answer is a

step-by-step explanation:

because if you put 1 in to the square root of x it equals 300.