Answer:
23pupils
Step-by-step explanation:
Given parameters:
Number of 18th grade boys this year = 18
Percentage decrease = 28%
Unknown:
How many 8th grade teams were there last year = ?
Solution:
Since this is a percentage decrease, ;
Number of pupils this year = Number of pupils last year - (28% x 18 )
18 + (28% x 18 ) = Number of pupils last year
Number of pupils last year = 23pupils
Answer:
1/10
Step-by-step explanation:
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Answer: I believe your answer is 17.
Step-by-step explanation: 3a+5+8
Since there is only one a you can turn the a into a 1. So it’s now 3+1+5+8=17 it’s either that or it’s 3x1+5+8= 16
So your answer is either 16 or 17 I believe. Hope I helped!
1. Any exponent that is 0 is always 1
You basically make an equation out of this and set the two expressions equal to each other.
Let x equal the number of hours where the snowfall will be equal in both towns.
In town one, the amount of snowfall can be written as 2+6x. In town two, the amount of snowfall can be written as 7+3x.
So to find when they will be equal, set them equal and solve:
2+6x=7+3x
3x=5
x=5/3 or 1 2/3 hours. In minutes, this is 100 minutes.