SOLUTION: a backpack costs three times as much as a notebook. together they cost $36. find the cost for each

Algebra.Com
Question 872764: a backpack costs three times as much as a notebook. together they cost $36. find the cost for each
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
x + 3x = $36
4x = $36
x = $9, cost of the notebook. backpack costs $27

RELATED QUESTIONS

A pen and a notebook cost $270 together. Four pen cost the same as five notebook. Find... (answered by josgarithmetic)
Honeydew melon costs four times as much as a peach . Together they coast $1.50. How much... (answered by nerdybill)
Phone and water bills together cost a company $540 for March. If the phone bill costs 4... (answered by Maths68)
Heat and electricity costs together cost a company Rs. 10,800 for the month of February.... (answered by josgarithmetic)
A coat costs 3 times as much as a pair of pants. Together they cost $180. How much does... (answered by unlockmath,michellejane3)
Together, a neckless and a bracelet cost $192. find the price of each if the neckless... (answered by HyperBrain)
Elise saved $184. She bought a scarf, a necklace, and a notebook. After her... (answered by ankor@dixie-net.com)
a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen... (answered by stanbon)
One number is 6 more than another. The sum of the numbers is 30. Find the numbers. A (answered by College Student)