Homework Help: math 3rd grade

Posted by daniel's mom on Wednesday, November 30, 2011 at 9:56pm.

Sam is making a necklace she uses 2 red beads, then 1 yellow beads then 2 red beads, then 1 yellow bead.

How many red beads will she use if she uses 24 beads.

The answer is 16

But the problem is we cant figure out the equation???

math 3rd grade - Ms. Sue, Wednesday, November 30, 2011 at 10:04pm
Let x = the yellow beads.

2x + x = 24

3x = 24

x = 24/3

x = 8
math 3rd grade - daniel's mom, Wednesday, November 30, 2011 at 10:06pm
what happens if x is red beads
math 3rd grade - Ms. Sue, Wednesday, November 30, 2011 at 10:07pm
Red beads = 2 * 8
math 3rd grade - Anonymous, Thursday, December 1, 2011 at 5:16pm
58375+5+96979*9

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