Posted by **dw** on Thursday, March 8, 2012 at 7:03pm.

Jan, Mya, and Sara ran a total of 64 miles last week. Jan and Mya ran the same number of miles. Sara ran 8 less miles than Mya. How many miles did Sara run?

64 miles in all

Jan - Mya - Sara

Same as Mya - Same as Jam - 8 less

my son need help in this question

- 3 grade math -
**Ms. Sue**, Thursday, March 8, 2012 at 7:11pm
I don't know how your son is supposed to do this.

Here's a simple algebra solution. Let x = the miles that Jan and Myra each ran.

x + x + x - 8 = 64

3x - 8 = 64

3x = 64 + 8

3x = 72

x = 72/3

x = 24

24 - 8 = 16

- 3 grade math -
**dw**, Thursday, March 8, 2012 at 7:24pm
do you have a different way to explain to me then i can explain to my son thank you

- 3 grade math ms sue -
**dw**, Thursday, March 8, 2012 at 8:26pm
i need help

- 3 grade math -
**Paulette**, Thursday, August 23, 2012 at 1:10am
this makes no sense to me and won't to my child either. the instructions for solving, are try 3 numbers that add to the total with 2 numbers equal and the other 8 less then revise numbers till you get the answer.

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