krazekutie krazekutie
  • 29-11-2017
  • Mathematics
contestada

Geardo has $2.50 in quarters, dimes, and nickels. If he has 18 coins how many of each chin does he have?

Respuesta :

dwightkschrute1 dwightkschrute1
  • 29-11-2017
10d + 25q + 5n = 250 (cents) 
5(2d + 5q + n) =250 
2d + 5q + n = 50 

d + q + n = 18 (coins) 

Three unknowns and two equations ==> many answers
Answer Link

Otras preguntas

The sum of three consecutive integers is 72. What are the integers?
carla can type 265 characters a minute on her keyboard. at that rate, how many characters can she type in 15 minutes?
What was a similarity between the united states troops sent to the spanish-american war and the troops sent to fight in world war i?
Can someone help me
Please help!! First answer marked brainliest!!!
spartan society revolved around training for war because
What is the surface area of 3x3x1?
Photosynthesis is a process that converts sunlight into energy that is then either used or stored. a. True b. False
What prediction is being made about the populations of less developed countries? A. Populations will continue to grow at a staggering or alarming rate. B. Popul
Hey i need help! no stupid answers! The question is on the pic, thanks! I will make brianly!