3 years ago

Simplify ( 4 7 / 16 21 )/ 5 -8

Mathematics

1 answer:

aleksley [76]3 years ago

5 0

Answer:

Step-by-step explanation:

( 4 / 21 ) ( 7 / 16 ) ( 15 / 9 )

= ( 2 × 2 × 7 × 3 × 5 )/( 3 × 7 × 2 × 2 × 2 × 3 × 3 )

= ( 5 )/ ( 2 × 3 × 3 )

= 5 / 18

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A pigeon can fly at a speed of 84 kilometers per hour. How long does it take the pigeon to fly 7 kilometers?

navik [9.2K]

Hey there,
Question : <span>A pigeon can fly at a speed of 84 kilometers per hour. How long does it take the pigeon to fly 7 kilometers?</span>

Answer :84 km = 1 hr
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Step-by-step explanation: