SOLUTION: Thea can read a 380-page novel in 4 hours. At this rate, how many pages will she read if she has been reading for 1 1/2 hours? (using 1 variable)
Question 1180453: Thea can read a 380-page novel in 4 hours. At this rate, how many pages will she read if she has been reading for 1 1/2 hours? (using 1 variable) Found 2 solutions by josgarithmetic, ikleyn:Answer by josgarithmetic(39617) (Show Source):
To solve this problem using one variable (as requested), write a proportion
= .
In this proportion, 1.5 represents 1 1/2 hours; x represents the unknown number of pages.
+-----------------------------------------------------+
| The proportion expresses the fact that |
| the rate of reading is the same in both cases. |
+-----------------------------------------------------+
From the proportion, find x
x = = 142.5 pages = 142 1/2 pages. ANSWER