day3092 day3092
  • 17-11-2018
  • Mathematics
contestada

A pile of 34 c oins consists of nickels and dimes. The total value of the coins is $3.30. Find the number of each type of coin.

Respuesta :

DaveedSaysHI DaveedSaysHI
  • 17-11-2018

SaY tHaT tHeRe ArE N nIcKeLs

Then there are 34-N dimes

Lets make an equation:

0.05N+0.1(34-N)=3.30

0.05N+3.4-0.1N=3.3

-0.05N=-0.1

N=10

D(dimes)=34-10

D=24

Answer Link

Otras preguntas

reilly adds 45.3 and 3.21. should hi sum be greater than or less than 48
please solve -7 (n+5)
Now you will focus on a second hypothesis. This hypothesis can be very similar to the first, but this time you want to focus only on the second variable in ques
what the ratio of 60 to 44
What is the independent variable in this function and what does it represent? f (x) = 6x
Discuss how to recognize the Predator and the prey in a predation relationship
what country did Isaac Newton
Which part of physical fitness is measured by the amount work your muscles can do at any given time? A. endurance B. flexibility C. anaerobic D. strength
solve 7x 6 < 3(x - 2).{x | x > -3}{x | x < -3}{x | x < -2}{x | x < 0}
A proffessional baseball team won 84 games this season.The team won 14 more games than it lost.There were no ties.How many games did the team lose?How many did