<h3>
Answer:</h3>
3 mi/h
<h3>
Step-by-step explanation:</h3>
Let c represent the speed of the current. Then 9+c is Nathan's speed downriver, and 9-c is Nathan's speed upriver. He travels 16 miles each way, so his total time is given by ...
... time = distance/speed
... total time = time downriver + time upriver
For distances in miles, speeds in miles per hour, and time in hours, this is ...
... 4 = 16/(9 +c) + 16/(9 -c)
... 9² -c² = 4(9 -c) +4(9+c) . . . . . multiply by (9+c)(9-c)/4
... 81 -c² = 72 . . . . . . . . . . . . . . . simplify
... 9 = c² . . . . . . . . . . . . . . . . . . . add c²-72
... c = 3
The speed of the current in the river is 3 mi/h.
Answer:
Jason sold 22/51 of the total sales and Trinity sold 29/51 of the total sales.
Step-by-step explanation:
Assuming that Trinity and Jason are the only ones selling ads, we much combine their sales to find the total sales. Then we can set up a proportion for each individual and reduce their fraction.
If Trinity sold $2030 worth of ads and Jason sold $1540 then
2030 + 1540 = 3,570
Trinity and Jason have a combined total of $3,570 is sales.
Trinity's fraction then becomes
2030 / 3570
Which can be reduced to
29 / 51
Jason's fraction of sales is then
1540 / 3570
Which reduces to
22 / 51
Answer:
384
Step-by-step explanation:
Im going to separate this into 2 shapes a square and a rectangle and add them together later
so the squares dimensions are 12 by 12
so 12*12=144
next is the rectangle so its dimensions are 12*20
so 12*20=240
240+144=384
Enjoy and good luck^^
Answer:
Step-by-step explanation:
Multiply both sides by p to get:
xp = mn
Now divide both sides by n to get:
xp/n = m