Joanna is reading a storybook. The ratio of the number of pages she read
to the pages that remain to be read is
7:3. If the book contains 500 pages in
all, how many pages did Joanna read?

350

Step-by-step explanation:

Let 7:3 be 7x and 3x respectively. Given,

7x + 3x = 500

10x = 500

x = 50

:. 7x = 7 × 50 = 350

step-by-step explanation:

ok one would be money, and the other would be refreshments or something similar. if each bag of popcorn is 5.00 and each drink is half of that that means drinks are 2.50 the proper way to do that would to look and see how much of each you can buy without exceeding a limit of 30.00