ed MATH VII. Post- Test Solve each problem involving linear equations in two variables. 1. Felix puts Php 15.00 in his bamboo savings bank every week from his school allowance in order to avoid unnecessary expenses. a. What is the linear equation that represents the relationship between the amount he saves and the number of weeks? b. How much will he save after 8 weeks? c. After 10 weeks, he took Php 40.00 from his savings to buy a pen and a notebook. How much is left in his savings?