An algebra problem by Vaibhav Sharma

Algebra Level 1

Take the number 30, divide it by 1/2, and then add 10. What do you get?


The answer is 70.

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10 solutions

Andrea Forlani
Jul 23, 2014

Don't be fooled by that "divide by 1/2"!!

It's 30/(1/2)+10

and that means

30*1/(1/2)+10

30*2+10

60+10

70

Mohammad Khaza
Jul 31, 2017

30 ÷ 1 2 + 10 = 70 30 \div \frac{1}{2} +10=70

Munem Shahriar
Jul 1, 2017

\Rightarrow 30 ÷ 30 \div 1 2 \dfrac{1}{2} = 60 = 60

60 + 10 = 70 60 + 10 = 70

While dividing 30 by 1/2, 2 goes to numerator and multiplies thus giving product 60 and after adding 10 the sum is 70

Gonna Sing
Jul 23, 2014
  • 30:1/2 = 60
  • 60+10 = 70
Bazmi Farooquee
Jul 19, 2014

30/1/2 =30*2 =60 + 10 =70

my solution is almost same xd

zarif hosain - 6 years, 10 months ago
Ashish Menon
May 29, 2016

30 1 2 + 10 = 30 × 2 + 10 = 70 \begin{aligned} \dfrac{30}{\frac{1}{2}} + 10 & = 30×2 + 10\\ & = \color{#69047E}{\boxed{70}} \end{aligned}

Krishna Garg
Jul 26, 2014

30 divided by 1/2 is 60 add 1q0 = 70 ans k.k.garg.india

Aditta Nishad
Jul 23, 2014

30/(1/2) 30*2 60+10=70

Zarif Hosain
Jul 22, 2014

30/1/2= 30*2/1=60 +10=70

30/1/2= 30*2/1=60 +10=70

Vaibhav Sharma - 6 years, 10 months ago

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