The equation y = 38x + 50 models the data on a plumber's scatter plot, where x is the number of hours the plumber works, and y i

Question

3 years ago

15

s the total bill in dollars. If Sal pays the plumber $126, how many hours did the plumber work?
1 hour
1.75 hours
2 hours
2.5 hours

2 answers:

sergejj [24] · Answer 1 · 2022-07-05T10:16:21+03:00

7 0

Answer:

2 hours

Step-by-step explanation:

I substituted y for 126 and solved like so:

126 = 38x + 50

126 - 38x = 50

(126-126) - 38x = 50 - 126

-38x = -76

-38x/-38 = -76/-38

X = 2

There ya go! Hope this helps, good luck :)

Phoenix [80] · Answer 2 · 2022-07-05T12:04:43+03:00

4 0

The answer would be 2 hours,
y being the total ($126) so you would plug in 126 for y and solving the equation.