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GREYUIT [131]
3 years ago
15

Please help me with these 6 questions

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0

Answer:

vanilla=100-74

vanilla=26

chocolate=42

42-26

=16

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Answer:

Total distance covered by all three friends is,

15 km assuming that Sara traveled a distance of 3 km.

30 km assuming that Sara traveled a distance of 8 km.

Step-by-step explanation:

Let D denotes the distance that Duncan covered on his bike.

Let H denotes the distance that Harold covered on his bike.

Let S denotes the distance that Sara covered on her bike.

Duncan rode 2 kilometers on his bike.

Mathematically,

D = 2 km

Harold rode twice as far as Duncan and Sara combined.

Mathematically,

H = 2(D + S)

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We don’t have enough information at this point to find out the total distance covered by all of them, so we need to assume the distance covered by Sara.

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D + H + S

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6 km

But 6 km doesn’t match any given option so try assuming another value for the distance covered by Sara.

Assuming that Sara covered 2 km then

H = 4 + 2(2)

H = 8

Then total distance is

D + H + S

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12 km

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Assuming that Sara covered 3 km then

H = 4 + 2(3)

H = 10

Then total distance is

D + H + S

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15 km

Assuming that Sara covered 8 km then

H = 4 + 2(8)

H = 20

Then total distance is

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2 + 20 + 8

30 km

Therefore, the total distance covered by all three friends is,

15 km assuming that Sara traveled a distance of 3 km.

30 km assuming that Sara traveled a distance of 8 km.

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3 years ago
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