en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

If the store has a 20% of sale, what is the original value of the goods she can now buy with a 100 voucher?

Solution

If the store has a 20% of sale, what is the original value of the goods she can now buy with a 100 voucher?

Solution

Amount before addition : 83.33333 \dots

Solution steps

Translate the problem into an equation:

100 = x + 0.2 x

100 = x + 0.2 x : x = \frac{250}{3}

\frac{250}{3} = 83.33333 \dots

Amount before addition : 83.33333 \dots

Popular Examples

The area of a circle is 4.8 cm2. Find the circumference of the circle, rounding your answer to 3 significant figures.Tom is going for a walk. He walks 6.4 miles in 4 hours. what is his speed?seven times the difference of a number and 4 is no more than 10 two numbers are in ratio 1:1 and their sum is 15. Find the numbers Andrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?