Ashley won 40 lollipops playing hoops at her school's game night. Later, she gave two to each of her friends. She only has 4 remaining. How many friends does she have?

Answer 1

Ashley has a lot of friends she gave lollipops too, #18# friends to be exact.

The formula for this problem can be written as:

#40 - 2f = 4# Where #40# is the number of lollipops Ashley originally had; #f# is the number of friends Ashley gave #2# lollipops each to and #4# is the number of lollipops remaining.

Solving for #f# while keeping the equation balanced gives the solution:

#40 - 2f - 40 = 4 - 40#

#0 - 2f = -36#

#-2f = -36#

#(-2f)/-2 = (-36)/-2#

#1f = 18#

#f = 18#

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Answer 2

Avery Alexander

Ashley has 18 friends.

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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.