Question

Ivan had 180 euros. On the first day he spent a third, on the second day 2/5 of the rest, on the third day the remaining part. How much did he spend on the third day?

164

likes
822 views

Answer to a math question Ivan had 180 euros. On the first day he spent a third, on the second day 2/5 of the rest, on the third day the remaining part. How much did he spend on the third day?

Expert avatar
Timmothy
4.8
99 Answers
Rješenje:
1. Neka je ukupni iznos koji Ivan ima 180 eura.

2. Potrošnja prvog dana:
- Prvi dan, Ivan potroši trećinu svojih sredstava: \frac{1}{3} \times 180 = 60 eura.
- Preostali iznos nakon prvog dana: 180 - 60 = 120 eura.

3. Potrošnja drugog dana:
- Drugi dan, Ivan potroši 2/5 preostalog iznosa: \frac{2}{5} \times 120 = 48 eura.
- Preostali iznos nakon drugog dana: 120 - 48 = 72 eura.

4. Potrošnja trećeg dana:
- Treći dan, Ivan potroši preostali iznos koji je: 72 eura.

Rješenje: Ivan je treći dan potrošio 72 eura.

Frequently asked questions (FAQs)
How many different ways can a committee of 5 members be chosen from a group of 10 candidates?
+
Math question: "Factorize the expression 9x^2 - 16y^2 using the difference of squares formula."
+
What is the y-intercept of the exponential function y = 3^(2x-1)?
+
New questions in Mathematics
Write 32/25 as a percent
Evaluate limx→∞tan−1(x) using that y=tan−1(x) exactly when x=tan(y) . (Hint: Both tan and tan−1 are continuous!)
The Lenovo company manufactures laptop computers, it is known that for every 60 laptops produced, 54 go on the market with the highest quality standards. If a sample of 15 laptops is taken, calculate the probability that: Exactly 2 are not of high quality
4.2x10^_6 convert to standard notation
The sum of two numbers is 6, and the sum of their squares is 28. Find these numbers exactly
Suppose X has a Poisson distribution, with a mean of 0.4. Determine the probability that x is at most 2.
Determine the momentum of a 20 kg body traveling at 20 m/s.
If you randomly selected one person from the 900 subjects in this study, what is the probability that the person exhibits the minimum BMI?
-3(-4x+5)=-6(7x-8)+9-10x
find x in the equation 2x-4=6
A box contains 18 blue balls and 33 white balls. What is the ratio of the blue to white balls?
20% of 3500
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
Log5 625
Which of the methods below can be used to workout 95% of an amount? a. Dividing the amount 100 and multiply by 95 b. Working out 5% of the amount and taking it away from the full amount c. Dividing 95 by 100 and multiplying the answer by the amount d. Dividing the amount by 95 and then multiply by 100
Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.
A salesperson earns a base salary of $600 per month plus a commission of 10% of the sales she makes. You discover that on average, it takes you an hour and a half to make $100 worth of sales. How many hours will you have to work on average each month for your income to be $2000?
A 20-year old hopes to retire by age 65. To help with future expenses, they invest $6 500 today at an interest rate of 6.4% compounded annually. At age 65, what is the difference between the exact accumulated value and the approximate accumulated value (using the Rule of 72)?
An export company grants a bonus of $100,000 pesos to distribute among three of its best employees, so that the first receives double the second and the latter receives triple the third. How much did each person receive?
The car with an irresponsible driver starts to brake when it goes through a red light. When passing the traffic light, he does so at a speed of 115 kph in the right lane. Further ahead, 70 meters from the traffic light, a child is crossing the street and falls. If the effect of the car's brakes is equivalent to a deceleration of magnitude 5.7m/s². Is the child hit by the car or not? How far from the traffic light does the car stop?