Answer:
18
Step-by-step explanation:
60% of 50 is 0.60x50=30
40% of 30 is 0.40x30=12
30-12=18
<u>So 60% of 50 is 18 greater than 40% of 30.</u>
Answer:
34 hours
Step-by-step explanation:
Given that,
Nathan read a total of 630 pages over 30 hours.
We need to find times of reading will Nathan have to do this week in order to have read a total of 714 pages.
1 page can be read in 
To read 714 pages, it will take

Hence, it will take 34 hours to read 714 pages.
Answer:
25
Step-by-step explanation:
5 x 25= 125
125 + 125 = 175
Since the rotation is 270 degrees counterclockwise, the point will end up in quadrant 4.
The ordered pairs in quadrant 4 are (+, -).
The only answer that matches is LETTER D.