Sydney can read 0.8 pages a minute
Solution: you divide the time by the amount of pages read
To confirm 0.8 x 50 = 40
To find the least number of rows she can make will be found by finding the biggest way to divide these into equal groups (greatest common factor).
You can use prime factorizations of each number to find the gcf.
150 - 2 x 3 x 5 x 5
360 - 2 x 2 x 2 x 3 x 3 x 5
The common prime numbers are 2 x 3 x 5
You can make 12 (360/30) rows of pink and 5 (150/30) rows of red.
Answer:
C is the answer to this question. Hope this helps!
140,000 + 12,000 =
152,000
