SOLUTION: James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen.
a) Let the cost of pen be p
Create an algebraic equation in terms of p for the cost of t
Algebra.Com
Question 919052: James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen.
a) Let the cost of pen be p
Create an algebraic equation in terms of p for the cost of the notebooks and pens.
b) Solve you equation to find the cost of a pen
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
4p + 3n = 19
4p + 3(p + .50) = $19
7p = $19 - $1.50
7p = $17.50
p = $2.50, cost of a pen
............
And...checking ( n = $3.00)
4p + 3n = 19
$10 + $9 = $19
RELATED QUESTIONS
Sam paid $70 for 4 similar pens and 2 notebooks. A notebook cost $5 more than a pen. What (answered by FrankM)
The cost of 4 notebooks and 5 pens is $20. The cost of 6 notebooks and 2 pens is $19.... (answered by MathLover1)
A blue pen is $0.25 more expensive than a black pen. At the store, Ms. Wing buys 10 black (answered by josgarithmetic)
At the school store, 3 pens and 2 notebooks cost a total of $12, while 1 pen and 3... (answered by LinnW,addingup)
3 notebooks and 2 pens cost P330. 2 notebooks and 3 pens cost P240. find the cost of 1... (answered by josgarithmetic,greenestamps,ikleyn)
The total amount Mark paid for 4 pcs notebooks and 10 pcs ball pens is less than Php300.... (answered by Boreal)
a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen... (answered by stanbon)
Rita had some money. She spent 1/4 of her money on 9 notebooks and
9 pens. The cost of... (answered by Theo,MathTherapy)
maria purchased 12 pens and 8 notebooks for $15.00. bob bought 4 pens and 3 notebooks for (answered by checkley75)