laurenelizabet laurenelizabet
  • 12-06-2017
  • Mathematics
contestada

Peggy had 3 times as many quarters as nickels. She had 1.60 in all. How many nickels and how many quarters did she have

Respuesta :

wolf1728
wolf1728 wolf1728
  • 14-06-2017
It doesn't seem to work with $1.60 total.
It DOES work with a $16.00 total.

A) 3n = q
A) 3n -q = 0
B) .05n + .25q = 16.00
Multiplying equation A by .25
A) .75n -.25q =0
B) .05n + .25q = 16.00
.80n = 16.00
20 nickels = 1.00
60 quarters 15.00


Answer Link

Otras preguntas

A square plot of land has a building 60 ft long and 50 ft wide at one corner. The rest of the land outside the building forms a parking lot. If the parking lot
how did Stalin and Mussolini maintain their power?
In which molecule is most of the energy of glucose stored at the end Of glycosis
PLEASE HELP I GIVE THANKS
(8x-5) (2x) (3x-10). what is the largest angle??
several friends each had 2/5 of a bag of peanuts left over from the baseball game.they realized that they could have bought two fewer bags between them. How man
PLEASE HELP I GIVE THANKS
Help me on this problem: Karen collects 6/7 qt rainwater. She uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3 houseplants
Which country is farther north, Zaire or Paraguay?
Which was a major purpose of the 1963 March on Washington? to support the passage of the Civil Rights bill to advocate for emancipation to celebrate the passage