Answer:
66/85
Step-by-step explanation:
Answer:
B) 504
Step-by-step explanation:
They should expect 30% of 40 out of every 300 of the 12,600, so ...
0.30 × 40/300 × 12,600 = 504
About 504 residents might be expected to join.
Total students 5+16+42+22+5 = 90
0-1's probability is 5 / 90 = 5.5% about
2-3's probability is 16 / 90 = 17.7% about
4-5's probability is 42 / 60 = 46.6% about
6-7's probability is 22 / 90 = 24.4% about
8+'s probability is 5 / 90 = 5.5% about
(percentages not rounded, just cut off at the first decimal)
Answer:
2 and 4 are correct
Step-by-step explanation:
Hope this helps!❄︎
Let the number of weeks needed be x
160 + 7x = 210 + 5x
7x - 5x = 210 - 160
2x = 50
x = 25
Ans: After 25 weeks.
