Answer:
See below
Step-by-step explanation:
Not sure which answer it is because it did not translate well
(2 1/4 ) / (-2/3) = (9/4) / ( -2/3) = 9/4 * (-3/2) = -27/8 <====maybe your answer is in there somewhere?
The third one, 40-45 because the difference of the rest are 4, while that one is 5.
If the ratio is 6:7 the students should divide nicely into 6+7=13 parts. Six of those parts are girls, seven of those parts are boys.
364 / 13 = 28
So 6 × 28 = 168 girls
Answer: 168
Check:
7 × 28 = 196 boys
168 + 196 = 364, good
5 is the whole so they skated 2/5 less than the original whole