One teaspoon of table salt converted to ounce equals to 0.20 oz.
2 teaspoon=0.40 oz
1 oz=0.043
and you need two tesspoons
if
1 oz..................................0.043
0.40 oz..................................?
2 teaspoons will cost= 0.40*0.043/1= $ 0.02
the cream of tartar
1 lb=134.40 teaspoons
16 oz=134.40 teaspoons
if
16 oz...........................134.40 teaspoons
1.5 oz..........................? teaspoons
teaspoons for 1.5 oz=(1.5*134.40)/16=12.6
so 1.5 oz equal to 12.6 teaspoons
1.5 oz costs also 3.24
if
12.6 teaspoon costs...........................3.24
11.25 costs............................................?
11.25 teaspoons will cost 2.89