vkX formResponse (PROBLEM NO. 1) Danny is 18 years older than his wife Jenna. If in 3 years, the sum of their ages is 72, what will be their present ages? 1. What is being asked in the problem? * Ages of Danny and Jenna in 3 years. O Ages of Danny and Jenna in at the present. The sum of their present ages. Ages of Danny and Jenna in the past three years. What is the working equation for this problem considering x is a varia ble? * x+3+[{x+18)+3]=72 x+3+(x+3)%3D72 x+3=72 O x-3+[(x+18)-3]= 72

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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0/1FAipQLSccqilißpwrD-RKN8SdtHOoW1qi KMAZAHV7(411utFvkXQ/formResponse
(PROBLEM NO. 1) Danny is 18 years older than his wife Jenna. If in 3 years, the
sum of their ages is 72, what will be their present ages?
1. What is being asked in the problem? *
Ages of Danny and Jenna in 3 years.
Ages of Danny and Jenna in at the present.
The sum of their present ages.
Ages of Danny and Jenna in the past three years.
What is the working equation for this problem considering x is a variable? *
x+3+[(x+18)+3]=72
x+3+(x+3)%3D72
x+3=72
O x-3+[(x+18)-3]=72
Ps
Transcribed Image Text:0/1FAipQLSccqilißpwrD-RKN8SdtHOoW1qi KMAZAHV7(411utFvkXQ/formResponse (PROBLEM NO. 1) Danny is 18 years older than his wife Jenna. If in 3 years, the sum of their ages is 72, what will be their present ages? 1. What is being asked in the problem? * Ages of Danny and Jenna in 3 years. Ages of Danny and Jenna in at the present. The sum of their present ages. Ages of Danny and Jenna in the past three years. What is the working equation for this problem considering x is a variable? * x+3+[(x+18)+3]=72 x+3+(x+3)%3D72 x+3=72 O x-3+[(x+18)-3]=72 Ps
3. Which of the steps makes the solution wrong? Why? *
Equation:
x + 3 + [(x + 18) + 3] = 72
1st Step: x + 3+ x + 21 = 72
2nd Step: x2 + 24 = 72
3rd Step: 2x = 72 – 24
Step 1. Because you should distribute 3 to x and 18 first.
Step 2. Because the operation is addition not multiplication.
Step 3. Because of typographical error.
Step 3. Because it should be +24.
IN
Transcribed Image Text:3. Which of the steps makes the solution wrong? Why? * Equation: x + 3 + [(x + 18) + 3] = 72 1st Step: x + 3+ x + 21 = 72 2nd Step: x2 + 24 = 72 3rd Step: 2x = 72 – 24 Step 1. Because you should distribute 3 to x and 18 first. Step 2. Because the operation is addition not multiplication. Step 3. Because of typographical error. Step 3. Because it should be +24. IN
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