dsanchez531 dsanchez531
  • 03-02-2020
  • Mathematics
contestada

John collected 150 nickels and dimes. He has 30 more nickels than dimes. How many of each does he have

Respuesta :

beingteenowfmao
beingteenowfmao beingteenowfmao
  • 03-02-2020

Answer:

n = d+30 since he has 30 more nickels than dimes, to make them equal you have to add 30 to the dimes.

:

n+d = 150 substitute for n:

d+30+d = 150

2d = 120

d = 60 he has 60 dimes and 150-60 = 90 nickels

Answer Link

Otras preguntas

What is the ordered pair solution for this system of equation X+y=8 Y=x-3
During the process of creating a sperm cell, one chromosome does not separate, the resulting sperm cell has an extra chromosome. This is called _____________ If
A space heater is used for 8 h. The heater uses 1200 W per hour. Electricity costs 19.3 cents per kilowatt-hour. Find the cost of using the electric heater. Rou
Find the 8th term of the geometric sequence 7, 28, 112
3(4x6)=(3x4)6 is what property
What is the difference between an epidemic and a pandemic.
list 10 career opportunities in physics​
What is the area of the following circle R=7
What is the slope of the line that passes through (2,-3) , (-2,5)
What is the solution for x in the equation? -4 + 5x − 7 = 10 + 3x − 2x A.  B.  C.  D.