.....Jeremy did not make a good inference. The ratio is not in proportion to 2/15. The correct inference would be about 26 students who did not read any books in July. The sample might be biased since it was limited to those at the pool....
Good afternoon/evening.
-4^4 = four to the fourth power = (-4)(-4)(-4)(-4) = 256
Remember, when a negative is multiplied by a negative it equals a positive.
1.5 hours=60+30=90 minutes
30 pages : 90 minutes = 0.3 pages/minute
uhm i think its 15 cause you just add them all i guess