23-02-2021
Mathematics

contestada

60d+65n=2800
50d+45n=2150

Respuesta :

armannarimanyan04 armannarimanyan04

23-02-2021

From the second equation we can find that d=43-(9/10)*n
we can put this equation into the first one,
So we have equation 60(43-(9/10)*n)+65n=2800
Solving that we get n=20
60d+65*20=2800
d=25

So the answer is d=25 and n=20

Answer Link

Otras preguntas

3. Maxim raised $890.88 for charity. He divided the amount equally among his sixteen favorite charities. How much did each charity receive? A. $41.61 B. $54.16

e) assume the government increases government spending by $200 billion. based on the information in part (a), what will be the total possible change in aggregat

Graph the following system of inequalities. y < 1/3x - 2 x < 4 A line passes through (6, 0) and (0, minus 2). Another vertical dashed line passes through

One way in which Ida Tarbell, Upton Sinclair, and Jacob Riis were similar is that each sought to1. End racial discrimination2. Control illegal immigration3. Lim

Which type of artificial Christmas tree is best?

A pentagon has exactly 5 sides. Prove the following conditional by proving the contrapositive. If a polygon does not have exactly five sides, then it is not a p

PLEASE HURRY !!! 2. Engage: How will you use social media to get your message to the most people? Think of three social media platforms and in 3-5 sentences dis

Are real Christmas trees worth it?

since most of the 100 species did not actually survive when they migrated, does this bodewell for species who have to leave a habitat when it is destroyed?

Is a potted Christmas tree a good idea?