Posted by **chin** on Sunday, September 20, 2009 at 8:09pm.

A stadium have to section a & B .

tickets for section A cost $A each .

tickets for section B cost $B each .

johanna paid $105 for 5 section A and 3 section B.

raiyah paid $63 for 4 section A and 1 section B .

i) Write two eguations

ii) Calculate the value of A and B

- math -
**sydney**, Sunday, September 20, 2009 at 8:42pm
i) 105 = 5A + 3B

63 = 4A + 1B

ii)you solve this system equation by either by substitution or elimination

cheers

- math -
**maribel**, Sunday, September 20, 2009 at 9:20pm
so baisically multiply the 2nd equation by 3 so you can subtract the 3bs let me show you

105=5a+3b

-189=12a+3b

------------

-84=-7a

12=a

then substitute

105=5(12)+3B

105=60+3B

45=3B

15=B

:)

## Answer this Question

## Related Questions

- Math - A stadium has two sections Tickets for section A cost $a each Tickets for...
- algebra 2 - A stadium has 49,000 seats. Seats sell for 25 dollars in Section A, ...
- math - a square is made up of section a and section b. section a is 500 sq ft ...
- math - A square is made up of section A and section B. Section A is 500 sq. ft...
- Math - A square is made up of section A and section B. Section A is 500 sq. ft. ...
- Physics - Water flows horizontally in a tapered pipe at a rate of 500 m^3/h. The...
- Health Information Technology - I have to create an acute care record and am ...
- English - In what way does third section of “In Memory of W. B. Yeats” reflect ...
- Trig - The first 40 rows of seating in a certain section of a stadium have 25 ...
- math - An exam consists of two parts, Section X and Section Y. There can be a ...