jiromihdz jiromihdz
  • 20-01-2021
  • Mathematics
contestada

Laura has 20 coins -- all dimes and quarters. They add up to $4.10. What are the coins?

Respuesta :

krvkorifyyuvrjjv4o krvkorifyyuvrjjv4o
  • 21-01-2021

Answer:

500-25x+10x=305

-15x=-195

/-15

x=13

dimes 13

quarters 7 coins

Step-by-step explanation:

Answer Link

Otras preguntas

Dorothea Dix is remembered most in the Civil War for (A) her role as a Confederate spy (B) her contributions as a nurse (C) helping to invent smokeless cartridg
Which trait is not a desirable quality in a primary care physician? A. interactive B. courteous C. presumptuous D. empathetic
The purpose of the mucus found within the respiratory system is to
How did the Romans differ from the Greeks in their art that shows the human body?
The coordinates of a bird flying in the xy plane are given by x(t)=αt and y(t)=3.0m−βt2, where α=2.4m/s and β=1.2m/s2. Calculate the velocity vector of the bird
Select the powers of the federal branch of government granted under the Constitution. regulate elections set up town governments print and coin money regulate e
why did they start appointing president
How many elements are on the periodic table?
describe each of the six steps of the selection process
whats the answer for -3(w+4)=-18 find what W equals