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Sagot :
I can think of using linear inequality in one variable in budgeting your allowance.
You can state the problem like this:
My parents gave me an allowance of 1,000 pesos for five school days. I have spent the following (in pesos) in four days :
Day 1: 150
Day 2 : 175
Day 3: 200
Day 4: 120
How much is the maximum amount I could spend on the fifth day so that I'd still have savings of 100 pesos?
Present your equation as:
Let x be the amount that could be spend on the fifth day
150 + 175 + 200 + 120 + x ≤ 1,000 - 100
645 + x ≤ 900
x ≤ 900 - 645
x ≤ 255
The maximum I could spend on the fifth day is 255 pesos.
You can state the problem like this:
My parents gave me an allowance of 1,000 pesos for five school days. I have spent the following (in pesos) in four days :
Day 1: 150
Day 2 : 175
Day 3: 200
Day 4: 120
How much is the maximum amount I could spend on the fifth day so that I'd still have savings of 100 pesos?
Present your equation as:
Let x be the amount that could be spend on the fifth day
150 + 175 + 200 + 120 + x ≤ 1,000 - 100
645 + x ≤ 900
x ≤ 900 - 645
x ≤ 255
The maximum I could spend on the fifth day is 255 pesos.
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