3. Susan Arva earns money by babysitting for relatives and neighbors. She charges $10 per hour & gets a $5 automatic tip. (a) Write an equation to show her earnings based on number of hours worked. Make up variables and tell what they are. (b) Susan needs $100 to buy a present for her mom. She wants to find out the minimum number of hours she needs to get the money. Solve for the minimum number of hours worked, AND write an inequality (like an equation, but < or > instead of equal). Identify what the variables are and what they represent.
3. Susan Arva earns money by babysitting for relatives and neighbors. She charges $10 per hour & gets a $5 automatic tip. (a) Write an equation to show her earnings based on number of hours worked. Make up variables and tell what they are. (b) Susan needs $100 to buy a present for her mom. She wants to find out the minimum number of hours she needs to get the money. Solve for the minimum number of hours worked, AND write an inequality (like an equation, but < or > instead of equal). Identify what the variables are and what they represent.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.6: Problem Solving: Using Charts
Problem 19P
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3. Susan Arva earns money by babysitting for relatives and neighbors. She charges $10 per hour & gets a $5 automatic tip.
(a) Write an equation to show her earnings based on number of hours worked. Make up variables and tell what they are.
(b) Susan needs $100 to buy a present for her mom. She wants to find out the minimum number of hours she needs to get the money. Solve for the minimum number of hours worked, AND write an inequality (like an equation, but < or > instead of equal). Identify what the variables are and what they represent.
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