Answer:
4 necklaces can be made each having 16 blue beads and 10 red beads. I divided each set of beads by 4 so each necklace would have the same amount of each bead color and number on each necklace.
Step-by-step explanation:
64/4=16
40/4=10
So you first have to find the number of actual tiles she needs, but then you divide that number by 9 to see how many packs of tiles she'll need. It tells you that there are 9 tiles in a pack.
9514 1404 393
Answer:
x = 6.4
Step-by-step explanation:
The corresponding sides are proportional, so we have ...
horizontal/vertical = x/(5+3) = 4/5
x = 8(0.8) = 6.4 . . . . . . multiply by 8
Answer:
95% Confidence interval: (31.32%,47.04%)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 148
Number of people who sleep for 8 hours or longer, x = 58
95% Confidence interval:
Putting the values, we get:
(31.32%,47.04%) is the required 95% confidence interval.