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During the past half hour, a restaurant has had 23 orders for Pepsi and 15 orders for Mountain Dew. How many more orders have there been for Pepsi than for Mountain Dew?

Answer 1

Jeremiah Andrews

#=8#

#23-15# #=8#

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Answer 2

Skylar Adams

There have been 7 more orders for Pepsi than for Mountain Dew.

We know that there have been 23 orders for Pepsi and 15 orders for Mountain Dew. To solve, we need to put this into an algebraic expression. The question asks how many more orders for Pepsi have there been, so all we have to do is subtract the number of Mountain Dew orders from the number of Pepsi orders. Our expression looks like this:

#23-15#

From here, it's simple subtraction:

#23-15=7#

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Answer 3

Luna Angel

There have been 8 more orders for Pepsi than for Mountain Dew.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.