According to the Sun website, my choices are

**45**,

**78**and

**117**

**ounces**. But the package I bought in the store says

**188**

**ounces**, and it offered me 8 extra bonus

*of wash compared to the*

**loads****112**

*package. Did I get the largest package? And the best price?*

**load**To quote Excel Math's own inimitable Bob Parrish, "

*It is impossible to say at this time.*" They don't tell me on the website and don't even mention the enormous bottle that I bought. It looks like we need some elementary mathematics, as taught in our Excel Math curriculum.

Let's make a table and see what we find:

**Oz Loads**

45 = a

78 = b

117 = c

x = 112

188 = 120

188 ounces ÷ 120 loads = roughly 1.56 ounces per load. Using this figure, we can calculate the missing values for a, b, c and x.

**Oz Loads**

45 = 29

78 = 50

117 = 75

175 = 112

188 = 120

The scented versions of Sun come in even more sizes. Here they are

**Oz Loads**

62 = 40

150 = 96

Here's the whole line-up.

**Oz Loads**

45 = 29

62 = 40

78 = 50

117 = 75

150 = 96

175 = 112

188 = 120

Is this reminding you of the Hershey bar exercise yesterday? Now we need to know exactly what we are buying - is it ounces or loads? And how much might it cost per load or ounce?

"

*It is impossible to say at this time.*"

I looked around on the web and found a price from

**Amazon**for the 45 ounce / 29 load bottles of

*Sun Free & Clear.*If I buy 6 bottles the site says they would cost $54.83 "retail" or 29.34 from them. That last price is only 11¢ per ounce. Or I could get a "subscription" and have it delivered every month and save

**15%**. Now that complicates things further.

Price per wash load can be calculated in various ways. Here are some possibilities:

Retail (54.83 ÷ 6) = $9.14 per bottle ÷ 29 loads = 31.5¢ per load

Actual ((29.24 ÷ (6 x 29)) = $29.24 ÷ 174 = 16.8¢ per load

Subscription 24.94 ÷ 6 = $4.16 per bottle ÷ 29 loads = 14.3¢ per load

In fact I did not buy my

*Sun*on the Internet, I bought it at

**Big Lots**and paid a better price. How much better?

*Is it impossible to say at this time?*No, it

__is__possible to say.

My price was $6.00 ÷ 120 loads = 5¢ per load or 3.2¢ per ounce

PS - the price for the 175 ounce / 112 load bottle was also $6.00. So I did get 8 bonus loads as promised on the bottle. So who would buy the smaller bottle for the same price?

*It is impossible to say at this time.*

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