Homework Help: math

Posted by humna on Wednesday, April 18, 2012 at 5:42am.

sara spent $64 on books and towels. she bought three times as many books as towels. how many of each did she buy?

*every item is $8

math - Bosnian, Wednesday, April 18, 2012 at 5:55am
b = numbers of books

t = numbers od towels

b = 3 t

Total price :

( b + t ) * 8 = 64

( 3 t + t ) * 8 = 64

4 t * 8 = 64

32 t = 64 Divide both sides by 32

t = 64 / 32 = 2

2 towels

b = 3 t

b = 3 * 2 = 6

6 books

2 * 8 $ + 6 * 8 $ =

16 $ + 48 $ = 64 $

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