SOLUTION: a dealer buys 120 pens, x of them cost R3 each and the others cost R4 each. how do I express in terms of x the number of pens he buys for R4
Algebra.Com
Question 1025092: a dealer buys 120 pens, x of them cost R3 each and the others cost R4 each. how do I express in terms of x the number of pens he buys for R4
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The 2 groups of pens are:
pens
pens
-----------------
is the cost of pens
is the cost of the remaining pens
-----------------
is the total cost of all 120 pens
RELATED QUESTIONS
Linda sold 22 concert tickets, some cost R5, and others cost R4 and the rest R3 each. if (answered by stanbon)
your are purchasing pens and pencils to be sold at the school store. You need a total of... (answered by macston)
A student buys some pens for 400$. If the cost of each pens is 9$ less, he can buy 9 pens (answered by josmiceli)
Max buys some pens and pencils. He buys 7 more pens then pencils. Pens cost $0.45 each... (answered by Paul)
Tyler spent $19 on a bookand pens. If the book cost $4.00 and each pack of pens cost $5 , (answered by fractalier)
James buys 4 pens and 3 notebooks for $19. A notebook is 50c more expensive than a pen.
(answered by ewatrrr)
A street corner vendor buys roses for $5.76 per dozen and sells them at $1.3 each. His... (answered by richwmiller)
A company makes pens. They sell each pen for $10.
Their revenue is represented by R =... (answered by greenestamps)