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3 years ago

A worm walks 40cm in 8 minutes. Give both unit rates. Make sure you include the unit for each.

Mathematics

1 answer:

erastovalidia [21]3 years ago

5 0

40cm/8min=5cm/min
or

8min/40cm=0.2min/cm

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$a'(d) = \frac{d}{5} + \frac{3}{5}$

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Solving (a): Write as inverse function

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$a'(a(d)) = \frac{5d - 3}{5} + \frac{3}{5}$

Add fractions

$a'(a(d)) = \frac{5d - 3+3}{5}$

$a'(a(d)) = \frac{5d}{5}$

$a'(a(d)) = d$

Hence:

$a(a'(d)) = a'(a(d)) = d$

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