leandro272047
leandro272047 leandro272047
  • 04-02-2018
  • Mathematics
contestada

bill has two dollars in quarters and dimes. the number of quarters is four less than twice the number of dimes find the number of coins each type

Respuesta :

JasonLai
JasonLai JasonLai
  • 04-02-2018
Okay, let's make x the number of dimes. The equation should look like this:
10x + 25(2x-4) = 200
10x + 50x -100 = 200
60x = 300
x = 5
so, 5 dimes and 6 quarters
Answer Link

Otras preguntas

Please help me find the measure to side c and the process to solve the problem Thank you appreciate it :)
The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 Equation: The number is
the rate at which molecules water and oxygen can enter a cell is determined by the-
Who was the first naval hero
James purchased a $205,000 home with a 30-year mortgage at 5.78%. If makes a $1500 monthly mortgage payment, how many months early will he pay off his mortgage?
Which activity is not one of the primary ways political parties shape public policy? A. Building and maintaining support from the public B. Helping party member
(t+9)20=140 what is t
How do you find the area of a triangle
The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)
Excess amounts of salt, water, and minerals are expelled in the urine from the