ahmadalaska907
ahmadalaska907 ahmadalaska907
  • 01-08-2020
  • Mathematics
contestada

winthrop has $4.40 worth of nickles and dimes. If winthrop has 3.5 times as many nickles as he has dimes, how many dimes does he have?

Respuesta :

MathPhys
MathPhys MathPhys
  • 01-08-2020

Answer:

16

Step-by-step explanation:

If n is number of nickles and d is number of dimes:

5n + 10d = 440

n = 3.5d

Substitute:

5(3.5)d + 10d = 440

17.5d + 10d = 440

27.5d = 440

d = 16

Answer Link

Otras preguntas

When does the Narrative of Sojourner Truth take place? A. After the Civil War B. Right after the Emancipation Proclamation C. Before the Civil War D. During
PLEASE ANSWER QUICKLY The sum of three different positive integers is 12. Show that one of them must be greater than 4
how many ounces is in 1/2 of a gallon?
Influential Republicans include Ronald Reagan, Abraham Lincoln, Richard Nixon, and __________. a. Franklin d. Roosevelt b. Ulysses S. Grant c. John F. Kennedy
triple the sum of 45 and 55
An angle with the measure of 185 is called
in which ways did taft helped conservation efforts and child labor problems
Benjamin paints and sells his art work at art shows. He charges $56.25 for a large painting. He charges $25.80 for a small painting. Last month he sold six larg
List the factors of 9. Is this number prime or composite?
what digit can be in the ones place of a number that has 5as a factor