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

Instructions: Factor the polynomial expression.7x²-13x +6Answer:

How to solve for area of number 6 to the nearest square unit

Given the following angles of a regular polygon, 120°, (4*x+-3)°, (x+14)°, 45°, 135°, (x-31)°, and (x*6+20)°, what is the value of x?

Is 40 perfect square

72.200-2.803 rounded to the nearest whole number. It would be 69.397 But I need help rounding the answer..

Part B: select the box or boxes under the coordinate pairs the represent solutions for the system.

Find the slope of a line parallel to 2x – 3y = 5 ?a. -2/3b. 2/3C. -3/2d. 3/2

Answer the question with the choices Which is not a biotic factor that influences the relationships of organisms in ecosystem?A-Competition among predatorsB- A

(10,-5)(10-9) what is the linear equation

Determine the slope of the line represented by the equation: y=3/10x+6