ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

In a certain town there were 468 robberies last year. This year the number of robberies has gone down 30%. How many robberies were there this year, to the nearest whole number?

Решение

I n a cer t ain t o w n t h ere w ere 468 ro bb er i es l a s t ye a r . T hi s ye a r t h e n u mb er o f ro bb er i es ha s g o n e d o w n 30%. Ho w man y ro bb er i es w ere t h ere t hi s ye a r, t o t h e n e a res t w h o l e n u mb er ?

Решение

Amount after reduction : 328

Шаги решения

Translate the problem into an equation:

x = 468 - 0.3 \cdot 468

x = 468 - 0.3 \cdot 468 : x = 327.6

Amount after reduction : 327.6

Округлить

327.6

до ближайшего integer:

328

Amount after reduction : 328

Популярные примеры

use the appropriate compound interest formula to compute the balance in the account after the stated period of time. 3000 dollars is invested for 19 years with an APR of 5% and monthly compounding. what is the balance after 19 years What solid figure has 6 equal faces, 8 вершины, and 12 equal edges? Carlito is x years old now. Write an algebraic equation for his age if his age in 5 years is 17.if joe invests 25000 in saving bank and rat of interest is 35% per hour what is the rate of interest after 3 years 33% of what number is 75.9 Angela deposits 1500 into an account with an APR of 3.8% for 8 years. Find the future value of the account if interest is compounded continuously. Round your answer to the nearest hundredth.