Meajane123idn
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1) At 8% interest a year, how much interest will a deposit of P4 000 earn after 2 years?

2) Ben borrowed P3 000 from a bank that gives 15% interest per annum. How How much money will he have paid the bank after 5 years?

please answer po I need it now​

Sagot :

UK2019idn

✏️SIMPLE INTEREST

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[tex]\underline{\mathbb{PROBLEMS:}}[/tex]

  • #1. At 8% interest a year, how much interest will a deposit of P4,000 earn after 2 years?
  • #2. Ben borrowed P3,000 from a bank that gives 15% interest per annum. How much money will he have paid the bank after 5 years?

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[tex]\underline{\mathbb{ANSWERS:}}[/tex]

[tex]\qquad\LARGE\rm» \:\: 1. \: \green{I_s= ₱640}[/tex]

[tex]\qquad\LARGE\rm» \:\: 2. \: \green{A= ₱5\text,250}[/tex]

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[tex]\underline{\mathbb{SOLUTIONS:}}[/tex]

#1. Using the Interest Formula to find the total amount of interest.

[tex]\begin{aligned} & \bold{\color{lightblue}Formula:} \\ & \boxed{\: \rm I_s = prt \:}\end{aligned} [/tex]

  • [tex] \rm I_s = (4\text,000)(0.08)(2)[/tex]

  • [tex] \rm I_s = (4\text,000)(0.16)[/tex]

  • [tex] \rm I_s = 640[/tex]

[tex]\therefore[/tex] The total amount of interest is P640.00

[tex]\rm[/tex]

#2. Using this formula to find the total amount will have to paid in the bank after 5 years.

[tex]\begin{aligned} & \bold{\color{lightblue}Formula:} \\ & \boxed{\: \rm A = P(1 + rt) \:}\end{aligned} [/tex]

  • [tex]\rm A = 3\text,000\big(1 + (0.15)(5) \big)[/tex]

  • [tex]\rm A = 3\text,000\big(1 + 0.75\big)[/tex]

  • [tex]\rm A = 3\text,000\big(1.75\big)[/tex]

  • [tex]\rm A = 5\text,250[/tex]

[tex]\therefore[/tex] The total amount of money will he have to paid in the bank is P5,250.

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