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myrzilka [38]
3 years ago
9

Can you help me please?

Mathematics
1 answer:
AnnZ [28]3 years ago
3 0
So the original equation is 3a+a+b=54.6 which is 4a+b=54.6 and so you get the equation:

4(8.7)+b=54.6
34.8+b=54.6

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if twenty percent of the students play in the band and the band has forty members, how many students are there?
olchik [2.2K]
The total amount of students are 200
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Of the 240 students eating lunch, 96 purchased their lunch and the rest brought a bag lunch. What is the ratio of students purch
Irina-Kira [14]

Answer:

96:144

Step-by-step explanation:

Since there are 240 students and the known value is 96 students buying lunch, you simply subtract the two numbers.

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The simplified answer is 2:3

To get this, divide 144 by 96

This, in turn, would give you in answer of 3/2 which can be inversed to get the right answer

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Read 2 more answers
Please help me with 5
Fantom [35]
Bluegill
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