Problema Solution
Ryan bought 5 pens and 5 pencils and paid a total of $12.40. Ashleigh purchased 3 pens and 10 pencils and paid $8.30. Find the cost of a single pen and a single pencil?
Answer provided by our tutors
Let the cost of 1 pen be $x and pencil be $y
5x+5y=12.40
and
3x+10y=8.30
Solving we get
x= 2.34$
y = 0.14$