/*! 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. 10 In the following exercises, solv... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 3: Q. 10 (page 315)

In the following exercises, solve using the problem solving strategy for word problems. Remember to write a complete sentence to answer each question.

Jeff is lining up children鈥檚 and adult bicycles at the bike shop where he works. The number of children鈥檚 bicycles is nine less than three times the number of adult bicycles. There are 42adult bicycles. How many children鈥檚 bicycles are there?

Short Answer

Expert verified

The number of children鈥檚 bicycles is 117.

Step by step solution

01

Step 1. Given Information 

We are given that the number of adult bicycles is 42.

We have to find the number of children鈥檚 bicycles.

02

Step 2. Forming the equation 

Let the total number of children鈥檚 bicycles be xand the number of adult bicyles bey,

We know that the number of children鈥檚 bicycles is nine less than three times the number of adult bicycles.

So, the equations will be,

y=42x=3y-9

03

Step 3. Solving the equation 

Putting the value of yin the equation, we get

x=3y-9x=342-9x=126-9x=117

Hence, the number of children鈥檚 bicycles is117.

04

Step 4. Checking the solution 

Putting the value of xin the equation, we get

x=3y-9117=3(42)-9117=126-9117=117LHS=RHS

Hence the solution is correct.

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

DaMarcus and Fabian live 23miles apart and play soccer at a park between their homes. DaMarcus rode his bike for three-quarters of an hour and Fabian rode his bike for half an hour to get to the park. Fabian鈥檚 speed was six miles per hour faster than DaMarcus鈥� speed. Find the speed of both soccer players.

In 5 years, Gloria鈥檚 bank account earned $2400 interest at 5%. How much had she deposited in the account?

Sean鈥檚 new car loan statement said he would pay $4866.25in interest from an interest rate of 8.5% over 5 years. How much did he borrow to buy his new car?

What percent of 1800 is846?

Find 鈸� the amount of discount and 鈸� the sale price:

Sergio bought a belt that was discounted 40% from an original price of $29.
See all solutions

Recommended explanations on Math Textbooks

Geometry

Read Explanation

Probability and Statistics

Read Explanation

Applied Mathematics

Read Explanation

Mechanics Maths

Read Explanation

Decision Maths

Read Explanation

Discrete Mathematics

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.