He purchased items worth 41.23.....she was charged 50.23
50.23 - 41.23 = 9 <== she paid 9 extra dollars
Y-intercept form because it is more commonly used and easier to remember. The foundation of the y-intercept is easier to put in a graphing calculator also as it is already set to y=
Answer: 8 hours
Step-by-step explanation:
<u>Given information</u>
Admission fee = $7.00
Hour rent fee = $1.50
Number of hours = h
Total fee = $19
<u>Set equation according to the given information</u>
Total fee = admission fee + (hours) × (hour rend fee)
<u>Substitute values into the equation</u>
19 = 7 + 1.5h
<u>Subtract 7 on both sides</u>
19 - 7 = 7 + 1.5h - 7
12 = 1.5h
<u>Divide 1.5 on both sides</u>
12 / 1.5 = 1.5h / 1.5

Hope this helps!! :)
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Answer:
im sorry but i think it is 4
Step-by-step explanation:
3 hours worked - $19.50
0.5 hours - x
x= 0.5(19.5)/3
x=3.25
and then do the same for the other cases