Icantdoschool Icantdoschool

03-03-2017
Mathematics

contestada

mariko has 20 nickels and dimes. she has 12 more nickels that dimes. how many dimes does mariko have?

Respuesta :

Аноним Аноним

03-03-2017

Let, the number of dimes = x
Then, number of nickels = x + 12

It is given that, x+ x+12 = 20
2x = 20 - 12
x = 8/2
x = 4

In short, Mariko have 4 dimes

Hope this helps!

Answer Link

Otras preguntas

What is the following product? Assume x>/0 and y >/0. Sqrt 5x^8 y^2 • sqrt 10x^3 • sqrt 12y

What is the area of this face?

Andrew randomly selects a digit. What is the probability that the digit he selects is an even number?

Chester has negotiated a new labor contract for the next round that will affect the cost for their product Cozy. Labor costs will go from $1.76 to $2.26 per uni

Is Andrew Jackson union or confederate?

lactic acid is produced in the muscles during

2. There is a bag containing 10 red, 10 blue, and 10 yellow pleces of paper. Each paper color is numbered from 1 to 10. How would you express the probability th

Which digestive organ absorbs nutrients from digested food

Given each of the following sets of values for an ideal gas, calculate the unknown quantity. a) P = 773 mm Hg; n = 0.240 mol; T = 25 C. What is the volume (in L

Jeremiah wants to estimate the mean age of students at his large university. He'll sample n students and make a 95%, percent confidence interval for the mean ag