The Charles family went to the Burger Palace and bought six cheeseburgers and four french fries for
$21. The Jones family also went and bought three
cheeseburgens and three french fries for $12. Let e
represent the cost of a cheeseburger andf
represent the cost of the french fries.

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation:

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

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.