Answer:
4a. 15 wear braces
b. 20%
5a. 140 children - 400 - 120 = 280 ... 280/2=140
b. 35%
6a. Bob got $22.50. $45 / 2 = $22.50
b. $45 - $90 / 2 = $45
Step-by-step explanation:
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Answer:
See Explanation
Step-by-step explanation:

The answer would be $3.2
Do ya want me to explain my answer
Answer:
the slide 2 times and the hamster balls 1
Step-by-step explanation:
5×1=5 2×2=4 4+5=9
Notice that


This means you are looking for

Chebyshev's theorem states that for any constant

,

which means

In other words, at least 75% of the geysers will have eruptions lasting between 1.67 and 5.95 minutes. Out of 32 geysers, then, one can expect at least 24 of them to have eruptions with between these durations.