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Popolare Word Problems >

Caleb Dressel swam 50 meters in 20.16 seconds. How fast did he swim in meters per second. Round to the nearest tenth.

Soluzione

C a l e b Dresse l s w am 50 m e t ers in 20.16 seco n d s . Ho w f a s t d i d h e s w im in m e t ers p er seco n d . R o u n d t o t h e n e a res t t e n t h .

Soluzione

speed : 2.5

Fasi della soluzione

Translate the problem into an equation:

50 = x \cdot 20.16

Risolvi per

x, 50 = x \cdot 20.16 : x = \frac{625}{252}

Semplificare

speed : 2.48015 \dots

Arrotonda

2.48015 \dots

al più vicino \mathrm{decimo}:

2.5

speed : 2.5

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