ar

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

شائع Word Problems >

Janelle and some friends went out to dinner. The cost of the meal was 68.50. They left a 20% tip. What was the total cost of the dinner, including tip?

الحلّ

J an e ll e an d so m e f r i e n d s w e n t o u t t o d inn er . T h e cos t o f t h e m e a l w a s 68.50. T h ey l e f t a 20% t i p . Wha t w a s t h e t o t a l cos t o f t h e d inn er, in c l u d in g t i p ?

الحلّ

Amount after tip : 82.2

خطوات الحلّ

Translate the problem into an equation:

x = 68.5 + 0.2 \cdot 68.5

x = 68.5 + 0.2 \cdot 68.5 : x = 82.2

Amount after tip : 82.2

أمثلة شائعة

Crypto gains 28% on 1580. How much was earned Suppose that \$2200 is borrowed for five years at an interest rate of 4.5% per year, compounded continuously. Find the amount owed, assuming no payments are made until the end.Do not round any intermediate computations, and round your answer to the nearest cent.Translate Five more than a number times eight.7800 dollars is placed in an account with an annual interest rate of 5%. To the nearest tenth of a year, how long will it take for the account value to reach 13200 dollars?Q1. Use the classical definition to find the probability of the following event: Rolling a fair die once and getting a number less than 2. Express your answer as a decimal rounded to one decimal place.