Answer:

Step-by-step explanation:





They bought 8 orchestra seats and 6 mezzanine seats.
Step-by-step explanation:
Cost of one orchestra seat = $42
Cost of one mezzanine seat = $25
No. of people = 14
Amount spent = $486
Let,
x be the number of orchestra seats
y be the number of mezzanine seats
According to given statement;
x+y=14 Eqn 1
42x+25y=486 Eqn 2
Multiplying Eqn 1 by 25;

Subtracting Eqn 3 from Eqn 2 to eliminate y;

Dividing both sides by 17

Putting x=8 in Eqn 1

They bought 8 orchestra seats and 6 mezzanine seats.
Keywords: linear equation, elimination method
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Answer:
a is 622
Step-by-step explanation:
Answer:11 bikers
Step-by-step explanation:
560 ➗ 50=11.2
Approximate to 1dp is 11
8+3e
8+3(2)
8+6
=14
The answer is 14
hope this helps