/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 3.53 Sumanta has $4.20 in nickels and... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 3: Q. 3.53 (page 342)

Sumanta has $4.20 in nickels and dimes in her piggy bank. She has twice as many nickels as dimes. How many coins of each type does she have?

Short Answer

Expert verified

Sumanta has 21dimes and 42nickels in her piggy bank.

Step by step solution

01

Step 1. Given information.

Consider the given question,

Sumanta has twice as many nickels as dimes.

We know, the value of a dime is $0.1and value of nickel is $0.05. The total value of all the coins is $4.2.

Assume nand dto be the number of nickels and dimes.

n=2d

Make the table,

02

Step 2. Form the equation.

Consider the table, we can see,

0.1d+0.052d=4.20.1d+0.1d=4.20.2d=4.2d=21

Then,

n=221n=42

Therefore, Sumanta has 21dimes and 42nickels in her piggy bank.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Marco has$8,000to save for his daughter鈥檚 college education. He wants to divide it between one account that pays 3.2%interest per year and another account that pays 8% interest per year. How much should he invest in each account if he wants the interest on the total investment to be 6.5%?

Find three consecutive integers whose sum is 鈭�3.

Find three consecutive even integers whose sum is-84.

The sum of two numbers is 14. One number is two less than three times the other. Find the numbers.

Find the percent decrease.

Last year, Sheila鈥檚 salary was \(42,000. Because of furlough days, this year, her salary was \)37,800.
See all solutions

Recommended explanations on Math Textbooks

Probability and Statistics

Read Explanation

Logic and Functions

Read Explanation

Geometry

Read Explanation

Mechanics Maths

Read Explanation

Decision Maths

Read Explanation

Theoretical and Mathematical Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.