It's saying <em>d </em><em> </em>÷ <em>h </em><em> </em>= <em>x.</em>
<em>d </em> is the money
<em>h</em> is the hours
<em>x</em> is the unknown answer
The absolute value of the difference between the time anyone takes and 45 is less than or equal to 8
|t - 45| <= 8 is the correct choice ( the last one)
X=15
Y= -7
Remember to form simultaneous equations with the information given