Math Problem Solving Quiz

Audrey's test score increased from 70 to 85, and Luiz's test score increased from 60 to 75. Which student had a higher percentage increase in test scores?

Answer explanation

Audrey's score increased by 15 (from 70 to 85), a percentage increase of 21.43%. Luiz's score increased by 15 (from 60 to 75), a percentage increase of 25%. Luiz had a higher percentage increase.

The original price of my cellphone is 5,000 pesos. I asked the seller to give a 10% discount and she agreed. How much did I pay for my new cellphone?

Answer explanation

To find the price after a 10% discount, calculate 10% of 5,000 pesos, which is 500 pesos. Subtract this from the original price: 5,000 - 500 = 4,500 pesos. Therefore, you paid 4,500 pesos for your cellphone.

Mico borrowed money from Berto with an interest of 5% in one year. How much would he have to return after a year if he had borrowed 10,000 pesos?

Answer explanation

Mico borrowed 10,000 pesos at 5% interest. After one year, the interest is 10,000 * 0.05 = 500 pesos. Therefore, he must return 10,000 + 500 = 10,500 pesos.

A jacket originally priced at Php 800 is now offered with a 30% discount. How much will you save on the jacket?

Answer explanation

To find the savings, calculate 30% of Php 800. This is 0.30 x 800 = Php 240. Therefore, you will save Php 240 on the jacket.

John wants to travel abroad. He needs to save Php 60 000 after 2 years. If he plans to save an equal amount each month, how much should he save monthly?

Answer explanation

To save Php 60,000 in 2 years, John has 24 months. Dividing 60,000 by 24 gives him a monthly saving of Php 2,500. Therefore, he should save Php 2,500 each month.

Anne receives a monthly allowance of Php 4000 and sets aside 20% for savings. How much does she allocate for her other expenses?

Answer explanation

Anne saves 20% of Php 4000, which is Php 800. Therefore, her other expenses are Php 4000 - Php 800 = Php 3200.

What is the simplest form of 15 wins out of 30 games?

Answer explanation

To simplify 15 wins out of 30 games, divide both numbers by their greatest common divisor, which is 15. Thus, 15 ÷ 15 = 1 and 30 ÷ 15 = 2. The simplest form is 1 out of 2, or 1/2.

If a student can read 1500 words in 10 minutes, how many words can he read in a minute?

Answer explanation

To find the words read per minute, divide the total words by the total minutes: 1500 words ÷ 10 minutes = 150 words per minute. Thus, the student can read 150 words in a minute.

What are 5 packs of biscuits for Php 200 express in unit rate?

Answer explanation

To find the unit rate, divide the total cost by the number of packs. Php 200 ÷ 5 packs = Php 40 per pack. Therefore, the unit rate is Php 40 per pack of biscuits.

Ivan received 240 followers on Tiktok in 20 days. What is Ivan's unit rate of gaining followers per day?

Answer explanation

To find the unit rate, divide the total followers by the number of days: 240 followers ÷ 20 days = 12 followers per day. Ivan's unit rate of gaining followers is 12 followers per day.