One half of one quarter

Level 1

What is the number that is one-half of one-quarter of one-tenth of 400?

4 10 5 40

Ossama Ismail by Ossama Ismail , 63, Egypt

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3 solutions

Mohammad Khaza
Sep 21, 2017

1 2 × \frac{1}{2} \times 1 4 × \frac{1}{4} \times 1 10 × \frac{1}{10} \times 400 400 = 5 =5

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1 2 × 1 4 × 1 10 × 400 = 400 2 × 4 × 10 = 400 80 = 5 \dfrac{1}{2} \times \dfrac{1}{4} \times \dfrac{1}{10} \times 400 = \dfrac{400}{2 \times 4 \times 10}=\dfrac{400}{80}=\boxed{5}

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Noel Lo
May 25, 2015

1 2 × 1 4 × 1 10 = 1 80 \frac{1}{2} \times \frac{1}{4} \times \frac{1}{10} = \frac{1}{80}

1 80 × 400 = 5 \frac{1}{80} \times 400 = \boxed{5}

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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