t1+wk7


 * Term 1 Week 7 & 8

Ratios:** I bought 15 water balloons. There are 5 red balloons, 3 blue balloons and 7 yellow balloons. What is the ratio of red to yellow balloons? What is the ratio of blue to yellow balloons? What is the ratio of blue to red balloons? What is the ratio of red to the total number of water balloons? What is the ratio of blue to the total number of water balloons?

At the beginning of the day a shop keeper has 7 4/9 boxes of chocolates. At the end of the day only 3 6/9 of the boxes were sold. How many boxes of chocolate were left?
 * Problem Solving:**


 * Substitute || x + 9 || 3 - x || 2x - 3 || x³ || 7 - 3x ||
 * x = 7 ||  ||   ||   ||   ||   ||
 * x = -4 ||  ||   ||   ||   ||   ||
 * x = -134 ||  ||   ||   ||   ||   ||
 * x = 0.25 ||  ||   ||   ||   ||   ||

1. 12, 24, 36, ... 2. 2, 8, 32, ... 3. 400, 200, 100, ... 4. 64, 58, 52, 46, ...
 * Add the next five terms to the sequences below.**


 * || 3 ||  || | ||   ||   || 7 ||   || | ||   ||   || 5 ||   ||
 * || **30** ||  || | ||   ||   || **49** ||   || | ||   ||   || **32** ||   ||
 * 8 ||  || 6 || | ||   || 4 ||   || 21 || | ||   || 3 ||   || ? ||