<u>8th Grade: </u>90 x 0.80 = 72
<u>7th Grade:</u> 80 x 0.75 = 60
Conclusion: 8th Graders like pop music more because 72 out of the 90 in 8th grade Dave surveyed enjoy it, compared to the 60 out of 80 in 7th grade that enjoyed it.
24.12 because you have to divide 34 into 820 and then you get 24.12
Answer:
Step-by-step explanation: since average speed = total distance/time
a)average speed of the journey from my home town to A = 10 miles/20 minutes = 0.5
b)journey from my home town to B = 20 miles/30 minutes = 0.7
c)10 miles + 20 miles = 30 miles
which takes 50 minutes
so: 30 miles/50 minutes = 0.6
Answer:
100
Step-by-step explanation:
4 spirals for 1 student. 4 x 25 to get the total number, and that equals 100
Answer:
n = -1
Step-by-step explanation:
-8n + 4 (1 + 5n) = -6n - 14
-8n + 4 + 20n = -6n - 14 Distribute
12n + 4 = -6n - 14 Combine Like Terms
18n + 4 = -14 Add 6 on Both Sides
18n = -18 Subtract 4 on Both Sides
n = -1 Divide Both Sides by 18
