Results for: Drinking-straw

When were drinking straws invented?

  The basic principles of a drinking straw are very old, probably dating back to pre-historic times. The straw is believed to go back to the Sumerians of ancient Mesopotam (MORE)

Who invented the drinking straw?

The modern drinking straw was patented in 1888 by Marvin C. Stone. However, the straw is believed to go back to the Sumerians of ancient Mesopotamia, who used natural material (MORE)

What is the answer to 20c plus 5 equals 5c plus 65?

20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4
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