1. Total Value= Number x Value PSLE 2011/P1 Jane bought twice as many 50-cent stamps as 80- cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?

2. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value STEP 1

3. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value STEP 1

4. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value STEP 2 3060

5. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value 3060 STEP 3 100u + 80u  3060

6. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value 3060 STEP 3 100u + 80u  3060 180u  3060

7. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60? Total Value= Number x Value 3060 STEP 3 100u + 80u  3060 180u  3060 1u  3060 ÷ 180 = 17 Ans: 17 (80-cent stamps)