Im pretty sure the answer is 7.84. i got this because 7 is a whole number so it is in the whole number spot. Then, you have to get your denominator to 100. So, what times 25 equals 100? its 4. so you get 100 so whatever you do to your denominator you do to your numerator. so 21 times 4 is 84. so 84/100 is actually 7.84. Hope this helped
We observe that 20 is 4 more than twice 8. This suggests the time is 1 hour and the rates are
... scooter: 20 mi/h
... bicycle: 8 mi/h
_____
You can let b represent the rate of the bicycle in miles per hour. Then we have (for time in hours and distance in miles) ...
... time = distance/speed
... time = 20/(2b+4) = 8/b
... 20b = 8(2b+4) = 16b +32
... 4b = 32
... b = 8
The rate of the bicycle is 8 mph; that of the scooter is 2*8+4 = 20 mph.
In Mr. Green's class, we can clearly see that there are 10 girls.
Hope this helps! :)
Ok so from my perspective
Answer: 18 students do NOT prefer pop music.
Explanation: 2/5 of 30 students do PREFER pop music, that means the rest, which is 3/5, does NOT prefer pop music
3/5 of 30 is 18
30 divided by 5 x 3 = 18
You can trust this answer
Goodluck!
