ko

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

인기 있는 Word Problems >

The shop marks up pens 40% of its cost. Find the cost if the selling price is 2.34 per pen.

해법

T h e s h o p ma r k s u p p e n s 40% o f i t s cos t . F in d t h e cos t i f t h e se ll in g p r i ce i s 2.34 p er p e n .

해법

Amount before addition : 1.67142 \dots

솔루션 단계

Translate the problem into an equation:

2.34 = x + 0.4 x

2.34 = x + 0.4 x : x = \frac{117}{70}

\frac{117}{70} = 1.67142 \dots

Amount before addition : 1.67142 \dots

인기 있는 예

Mason earned 1,000.00 from a summer job and put it in a savings account that earns 13% interest compounded monthly. When Mason started college, he had 3,094.00 in the account which he used to pay for tuition. How long was the money in the account?the quotient of twice a number and 7 is 20 the sum of two numbers is 41 and their 차이 is 5. what are the numbers?The radius of a circle is 9 cm. Find its 원둘레 in terms of pipi.how long will it take for a 3000 investment to grow to 3381 at an annual rate of 7.2% compounded monthly