taniahharris0696
taniahharris0696 taniahharris0696
  • 26-03-2021
  • Mathematics
contestada

Please Help!!!!! You have twice as many nickels as pennies. you have $1.10. how many of each coin do you have? Solve each problem using a system of equations.

Respuesta :

irspow
irspow irspow
  • 26-03-2021

Answer:

Step-by-step explanation:

n=2p

p+5n=110, using n found above makes this become

p+5(2p)=110

p+10p=110

11p=110

p=10, since n=2p

n=2(10)

n=20

So there are 10 pennies and 20 nickels.

Answer Link

Otras preguntas

What is expression 42 subtract 7 multiplied by the sum of 2 and 4
C = 400 5х +0.125х2,
Empareja el cuento con la descripción. Match the story with the correct description. 1) El cóndor y el chingolo 2) La Paloma y la Abeja 3) La princesa y el gu
A rectangular window 5 feet by 2 feet is on a rectangular wall 9 feet by 18 feet. The rest of the wall needs to be painted. Approximately how many square feet o
Find the lump sum that must be set aside today to make quarterly payments of $4,000 for 7 years, assuming 6% compounded quarterly.
Political action committees focus on helping candidates who will support their causes. Please select the best answer from the choices provided T F
6th grade work :D......
what do we mean by the statement;the linear expansivity of a metal is 0.0004415 per kelvin.​
Y=3(x+3)^2-4 in standard form
what type of farming method involves cutting down trees and other plants on a plot of land and then burning so the ash fertilizer the soil?