Arecipe calls for 1/8 teaspoon of vanilla extract. if the recipe is doubled, then how much vanilla extract is needed?

Hey there,
At first = 1 / 8 teaspoons
When the recipe is doubles = 1 / 8 x 2
                                            = 1 / 4
Thus, you will need 1 / 4 teaspoon of vanilla extract.

Hope this helps :))

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Logical equivalent of the give question is its contrapositive

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20