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# PSLE Qn2 2011

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### Transcript

• 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)