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Advocard [28]
3 years ago
11

There are 15 fewer than three times as many marching band members as there are color guard members. There are 105 members of the

marching band. How many members are in the color guard?
A. 7
B. 30
C. 40
D. 60
Mathematics
1 answer:
brilliants [131]3 years ago
6 0
X = the number of people in the color guard
3x - 15 = 105
3x = 105 + 15 
3x = 120
x = 40
there are 40 people in the color guard :)
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Step-by-step explanation:

Since, Heather gets a raise every 3 months, in 2 years, she will get a raise 8 times (2years = 24 months, 24 divided by 3 is 8).

Now it becomes a compound growth problem. We can use the formula shown below to solve these type of problems.

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Where,

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