2 years ago

Plot the points - 5.5 and 3.5 on the number line. Then use the number line to show and find the distance between the two points.

Mathematics

1 answer:

Mkey [24]2 years ago

5 0

0.5+1+1+1+1+1+1+1+1+0.5=9

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Answer:

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Step-by-step explanation:

Given

$m \to$ With water

$n \to$ With Soda

So:

$m + n =10$ --- total

$5m + 6.75n = 62.25$ -- cost

Required

Find m and n

$m + n =10$

Make m the subject

$m = 10 - n$

Substitute $m = 10 - n$ in $5m + 6.75n = 62.25$

$5(10-n) +6.75n = 62.25$

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Collect like terms

$-5n +6.75n = 62.25 - 50$

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