Answer:

Step-by-step explanation:
There are 99 - 10 + 1 = 90 numbers between 10 and 99
There are 18 numbers that have at least one two digit.

What does gas cost answer then I will give you the answer
Given:
Evan paid his mom back 9.60 which is 20% of the total he owns.
To find:
How much did he owe her to begin with.
Solution:
Let x be the amount Evan owns.
According to the question,
20% of x = 9.60


Multiply both sides by 5.

Therefore, Evan owns 48 from his mom.
Data points
a data series
an x axis
a y axis
a legend
hope this helps (:
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