Solve The Following Systems Of Equations By Substitution: 1. y = x + 5 4x + y = 20 2. y 4x = 3 – 2x 3y = 21 – 3. x + 2y = −1 4x 4y = 20 – Word Problem Cathy wants to buy a gym membership. One gym has a $150 joining fee and costs $35 per month. Another gym has no joining fee and costs $60 per month. a. In how many months will both gym memberships cost the same? What will that cost be? b. If Cathy plans to cancel in 5 months, which is the better option for her?
Solve The Following Systems Of Equations By Substitution: 1. y = x + 5 4x + y = 20 2. y – 4x = 3 2x – 3y = 21 3. x + 2y = −1 4x – 4y = 20 Word Problem Cathy wants to buy a gym membership. One gym has a $150 joining fee and costs $35 per month. Another gym has no joining fee and costs $60 per month. a. In how many months will both gym memberships cost the same? What will that cost be? b. If Cathy plans to cancel in 5 months, which is the better option for her?
systems_and_inequalities_alg_1.docx