Sara ran x miles. Karly ran 1/4 less than that. write a y= equation using decimals

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

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.

table 3 represents a direct variation function. : )