Homework Help: Algebra1

Posted by Samantha on Monday, October 5, 2009 at 3:50pm.

Sally bought some ordinary pencils and 4 times as many special pencils. Each ordinary pencil cost $0.20 and each special pencil cost $0.35. She spent $14.40. How many of each pencil did she buy?

Please show me how you got your answer. Thank you.

Algebra1 - Diptarka, Monday, October 5, 2009 at 4:15pm
Suppose sally bought x no of ordinary prencils.
Therefore, she 4x no of special pencils.
Expenditure on ordinary pencil = $0.20*x
Expenditure on special pencils = $0.35*4x

o.20*x+ 0.35*4x = 14.40
x= 26

so she bought 26 ordinary pencil and 4*26=104 special pencil.
Algebra1 - Samantha, Monday, October 5, 2009 at 4:17pm
thanks for your help!

Answer this Question

Related Questions

Math (prealgebra) - the cost of apen is 3 times the cost of a pencil. the cost ...
algebra - Rachael bought 12 pencils and 7 markers for $5.36, and later bought 8 ...
maths-urgent - Arjun spent Rs.12 to purchase some pens and pencils.The cost of a...
math - 8 pens cost $4 more than 8 pencils. Harry paid $8 for 4 pens and 4 ...
mircoeconomic - Lakshani has $5 to spend on pens and pencils. Each pen costs $0....
math - 1) Can someone tell me how the write 4x^3 + y^2 - 4y + 36=0 in standard ...
math, help - how do i write the equations so i can solve it i will do the ...
math - a pencil, eraser and notebook together cost one dollar. a notebook costs ...
math - A pencil, eraser, and notebook cost $1 in total. A notebook costs more ...
math - Jenifer bought 2 notebooks and a pencil.One notebook cost twice as much ...

For Further Reading

First Name:
School Subject:
Answer: