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3. Some people think antacid tablets are an inexpensive source of Ca. A bottle of 100 store brand antacid tablets like you us
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Answer #1

For Calcium Tablets

Total tablets in one bottle = 250

Cost of bottle = $ 6.29

Cost of One Calcium Tablet = Cost of Bottle / Number of Tablets

= $ 6.29 / 250 = $ 0.02516

Amount of Calcium in One tablet = 600 mg

Cost of Calcium from this source = Cost of One Calcium Tablet / Amount of Calcium in One tablet

= $ 0.02516 / 600 mg

= 0.0000419 $/mg = 4.19 x 10-5 $/mg

Note : In case of antacids used by you in the class, the data regarding amount of calcium in each tablet is not given in question / details provided by you. It can be solved in similar manner as worked out for Calcium Tablets to get the answer. The cost of each can be compared to get the least expensive source.

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