Two plumbers charge an initial fee and an hourly rate. The equation y = 30x + 100 models plumber A's fee, where y is the total charge and x is the total number of hours worked. Plumber B charges $105 for 1 hour, $160 for 2 hours, and $215 for 3 hours. Which statement about the plumbers' charges is true?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

35 is an outlier

step-by-step explanation:

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: