LindseyN1 LindseyN1
  • 02-05-2018
  • Mathematics
contestada

Can someone help me with #28?

Can someone help me with 28 class=

Respuesta :

popalabdulqayou
popalabdulqayou popalabdulqayou
  • 05-05-2018
28:

lets d is dimes and n nickels

4n=d

.05n+.1d=2.25

.05n+.1d=2.25

.05n+.4n=2.25

.45n=2.25

n= 5 

d=4*5= 20

 so 20 dimes and 5 nickles.


Answer Link

Otras preguntas

Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to 1.3 the library. How far did you travel?
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
What are abiotic factors of the enviroment lynx
what is the kingdom and phylum of a euglena protest?
If it takes Mark twice as long to earn $6.00 as it takes Carl to earn $4.00, what is the ratio of Mark’s pay per hour to Carl’s pay per hour?
which explorer sailed for france?
A circular pool is ten feet in diameter and five feet deep. What is its volume, in cubic feet?
What are abiotic factors of the enviroment lynx
A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square
what is the kingdom and phylum of a euglena protest?