SOLUTION: Evaluate the following: 1. rose bought 9 pens and 7 pencils and paid a total of $14.80. Ann bought 2 pens and 10 pencils and paid $7. find the price for a single pen and a singl

Algebra ->  Graphs -> SOLUTION: Evaluate the following: 1. rose bought 9 pens and 7 pencils and paid a total of $14.80. Ann bought 2 pens and 10 pencils and paid $7. find the price for a single pen and a singl      Log On


   

Question 1200457: Evaluate the following:
1. rose bought 9 pens and 7 pencils and paid a total of $14.80. Ann bought 2 pens and 10 pencils and paid $7. find the price for a single pen and a single pencil
2. one number is 5 times another, the larger number is 9 more than twice the smaller. find the two numbers
3. the difference between the two numbers is 4. the larger is 8 less than twice the smaller. what are the two numbers?
4. tickets for a play cost $8 or $6, if 350 tickets were sold in all and receipts were $2500, how many of each price ticket were sold?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
helping on #4 only --

if h of the $8 tickets, then 3500-h of the $6 tickets.
Accounting for revenue or receipts,
8h%2B6%28350-h%29=2500----simplify and solve for h.
.
.

Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.

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