3 years ago

If 3 3/4lb of candy cost 20.25 how much 1lb of cndy cost

1 answer:

8 0

Here we find the "unit rate," which is the cost per pound of the candy.

$20.25 $20.25
----------- = ----------- = $5.40/lb
3 3/4 lb 3.75 lb

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Aleksandr-060686 [28]

Answer:

Matt ;

Used diameter of the ball instead of Radius

Step-by-step explanation:

The volume of a sphere is given as :

4/3πr³

Radius, r = diameter / 2

Given that, the diameter = 15 cm ; The Radius = 15 / 2 = 7.5 cm

Matt made an error in his calculation by failing to covert the value of the diameter given to Radius.

By dividing the diameter by 2 = 15 / 2 = 7.5, we obtain the Radius, which is what Billy did in her own calculation.

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