There are 270 sixth grade students and 45 chaperones going on a field trip. How many students would go with each chaperone if di
2 answers:
Answer:
6 students would go with each chaperones going on a field trip.
Step-by-step explanation:
Given : There are 270 sixth grade students and 45 chaperones going on a field trip.
To find : How many students would go with each chaperone if divided equally.
Solution : We have given
Total student = 270 .
Total chaperones going on a field trip = 45.
In each chaperones students will go = .
= 6 students
So, In each chaperones 6 students will go on trip.
Therefore, 6 students would go with each chaperones going on a field trip.
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Answer:
8 Roses; 1 lilie ; 3 irises
Step-by-step explanation:
Let the number of roses be 'a' , number lilies be 'b' and number of irises be 'c'
$300 for 10 centerpieces means $30 per centerpiece. therefore,
.......................(1)
also each centerpiece must contain 12 flowers, therefore,
.................................(2)
also twice as much roses as the number of irises and lilies combined
............................... (3)
a) System of equation are equations (1) , (2) & (3).
Writing a matrix equation
b) Solving the simultaneous equation,
from (3),
substituting for 'a' in equation (1) and (2),
⇒ 2.5(2b+2c)+4b+2c=30
⇒ 5b + 5c + 4b + 2c = 30
⇒ 9b + 7c = 30 ..................... (4)
⇒ 2b + 2c + b + c = 12
⇒ 3b + 3c = 12
⇒ b = 4 - c ..............................(5)
Substituting (5) in (4)
9 (4 - c) + 7c = 30
36 - 9c+7c =30
36-30 = 2c
c = 3
b = 4-3 = 1
a = 2(3+1) = 8