ko

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

인기 있는 Word Problems >

Write as a mathematical expression and solve.The product of 3 and a number subtracted from 16 is 7. Find the number.

해법

W r i t e a s a ma t h e ma t i c a l e x p ress i o n an d so l v e . T h e p ro d u c t o f 3 an d a n u mb er s u b t r a c t e d f ro m 16 i s 7. F in d t h e n u mb er .

해법

The number : 7 \frac{2}{3}

솔루션 단계

Represent the number with

x

A.T.Q.:

3 x - 16 = 7

x

해결 대상

, 3 x - 16 = 7 : x = \frac{23}{3}

부적절한 분수를 혼합 숫자로 변환:

\frac{23}{3} = 7 \frac{2}{3}

The number : 7 \frac{2}{3}

인기 있는 예

Kirk puts 6,000.00 into an account to use for school expenses. The account earns 4% interest, compounded quarterly. How much will be in the account after 4 years?six times a number decreased by 8 is less than five times the number plus 21 A principal of 4400 is invested at 8.75% interest, compounded annually. How much will the investment be worth after 14 years?A circle has a 원둘레 of 14pi.What is its exact diameter?A man is at present seven times as old as his daughter. In ten years from now he will be three times as old as his daughter will be then. How old is his daughter now?