dsanchez531 dsanchez531

03-02-2020
Mathematics

contestada

John collected 150 nickels and dimes. He has 30 more nickels than dimes. How many of each does he have

Respuesta :

beingteenowfmao beingteenowfmao

03-02-2020

Answer:

n = d+30 since he has 30 more nickels than dimes, to make them equal you have to add 30 to the dimes.

:

n+d = 150 substitute for n:

d+30+d = 150

2d = 120

d = 60 he has 60 dimes and 150-60 = 90 nickels

Answer Link

Otras preguntas

In an experiment, researchers provided a radiolabeled amino acid to living plant cells. After one hour, the researchers determined the amount of the radiolabele

What was the long-term effect of the European Reformation? A. Europeans were permanently divided into two religions, Catholicism and Protestantism. B. The pol

Steps on how to convert grams to kilograms

Joseph removes 7/8 gallon of white paint from as can. Then he adds 7/8 gallon of blue paint to the can. What is the overall increase or decrease in the amount

lance bought a square postage stamp to a mail a card to his cousin. if the stamp has 4 square centimeters.what was the dimension of one side of the stamp in cen

Suppose H(x)=[tex]7\sqrt[3]{x} -4[/tex] find the two functions f and g such taht (f x g)(x)=H(x)

what were the terms of the Treaty of Paris (please be through)

A barium nitrate solution reacts with potassium chloride solution to produce solid barium chloride and potassium nitrate. State the skeletal and balanced equati

Solve this equation 4x-4=2x+8

what is the measurement of angle L