if a rectangle has am area of 2x²+11x+15, what would be an expression for the length, and for the width?
1 answer:
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Answer:
There were 3 cars and 9 buses used for the field trip.
Step-by-step explanation:
Let the number of cars be x
and Number of buses be y.
Total number of vehicles used = 9
Hence,
Also
Each Car carries students = 4
Each Bus carries students = 35
Total Students = 222
Hence,
Now multiplying equation 1 by 4 we get;
Now Subtracting equation 3 from equation 2 we get;
Now y = 6
∴ x + y = 9 (Given)
x + 6 = 9
x = 9 - 6
x = 3
Hence, There were 3 cars and 9 buses used for the field trip.