Directions:Solve the problems by applying the Polya’s 4-step method.1. John is s...

Questions

March 2021 1 220 Report

Directions:Solve the problems by applying the Polya’s 4-step method.

1. John is saving for a new comic book subscription, and he already has

Php300. Every week, he saves Php5 from his allowance. How much will

he be able to save in 3 weeks? 9 weeks? 21 weeks?

2. Vince’s parents bought a portion of residential lot for Php150,000. Every

year the original price of the lot in their community increases for 40%. How

much is the value of the lot if they want it to sell after 10 years?

Answers & Comments

Hannah707

$\red{\bold{Answer:}}$

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315, 345, 405
750,000

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Number 1

$\green{\bold{Asked:}}$

The amount of money the he can save in 3 weeks, 9 weeks, 21 weeks.

$\green{\bold{Given:}}$

Php300, Php5, 3 weeks, 9 weeks, 21 weeks

$\green{\bold{Operations:}}$

Multiplication, Addition.

$\green{\bold{Solution:}}$

First lets multiply 3 and 5.

$5 \times 3 = 15$

Now add 300,

$300 + 15 = 315$

John can save 15 money in 3 weeks, but altogether it is 315.

Now multiply 9 and 5.

$9 \times 5 = 45$

Therefore,

$300 + 45 = 345$

John can save 45 money in 9 weeks, but altogether it is 345.

Now we multiply 21 and 5.

$21 \times 5 = 105$

Therefore,

$300 + 105 = 405$

John can save 105 money in 21 weeks, but altogether it is 405.

$\red{\bold{Final\:Answer:}}$

$\green{\boxed{315,\:345,\:405}}$

Number 2.

$\green{\bold{Asked:}}$

The Value of the lot if they want to sell it after 10 years.

$\green{\bold{Given:}}$

Php150,000, 40%, 10 years.

$\green{\bold{Operations:}}$

Multiplication, Division, Addition.

$\green{\bold{Solution:}}$

$\red{\bold{40\%\:in\:Decimal\:is\:0.40.}}$

Therfore,

$150000 \times 0.40 = 60000$

$\red{\bold{Confirmation:}}$

$60000 \div 0.40 = 150000$

Now,

$60000 \times 10 = 600000$

Finally add the quotient of 60,000 and 10 and the 150,000,

$600000 + 150000 = 750000$

$\red{\bold{Final\:Answer:}}$

$\green{\boxed{750,000}}$

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-Hannah707

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