Rory is driving 584 miles to a family reunion. she will drive 300 miles by her self the first day. the second day, rory and her cousin will share driving equally. how many miles will her cousin drive? write an equation to solve. use a variable for the unknows

Total distance Rory drive = 300 +142 = 442 miles

and total distance her  cousin drive = 142 miles.

Step-by-step explanation:

Total distance traveled by Rory and her cousins = 584 miles

Distance drive by Rory herself first day = 300 miles

Distance left to travel = total distance - distance drive by Rory

                                     = ( 584-300 ) miles

                                     = 284 miles.

According to the question, The second day, Rory and her cousin will share driving equally.

Let the distance traveled by cousin is S miles, then, Rory also drive S miles.

⇒  S + S = 284

⇒ 2S = 284

⇒ S = 142

So they will divide the remaining distance of 284 miles among them equally that is they both drive 142 miles.

Total distance Rory drive = 300 +142 = 442 miles

and total distance her  cousin drive = 142 miles.

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls