Answer:
1. discount --Php 100
sale price-- Php 400
solution: Initial Value
Discount
Saving
Final Value
=500
=20%
↓
=
100
20
×500
=0.2×500
=100
↓
=500−100
=400
2. discount-- Php 332.50
sale price-- Php 617.50
solution:
Initial Value
Discount
Saving
Final Value
=950
=35%
↓
=
100
35
×950
=0.35×950
=332.5
↓
=950−332.5
=617.5
3. selling price Php 1,000
sale price-- Php 750
solution:
Initial Value
Discount
Saving
Final Value
=1,000
=25%
↓
=
100
25
×1,000
=0.25×1,000
=250
↓
=1,000−250
=750
4 simple interest-- Php 960
solution: Initial Value
Increase
Raise
Final Value
=8,000
=1%
↓
=
100
1
×8,000
=0.01×8,000
=80
↓
=8,000+80
=8,080
= 80x12=960
5. simple interest-- Php 5,760
solution:Initial Value
Increase
Raise
Final Value
=12,000
=2%
↓
=
100
2
×12,000
=0.02×12,000
=240
↓
=12,000+240
=12,240
= 240x24=5,760
