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3 years ago

Can someone please help!! I’m giving 15 points away for it!

Mathematics

1 answer:

docker41 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

(22/8+3)+(15/8-3)=5, (55/8+3)+(40/8-3)=13

(22/11)+(15/5)=5, (55/11)+(40/5)=13

2+3=5, 5+8=13

It's basically either guess and check, or you can use system of equations (but that would take way more time)

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Seven-eighths of a number is 63

bezimeni [28]

Answer:

The number is 72.

Step-by-step explanation:

Given:

Seven-eights of a number is 63.

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Solution:

Let the unknown number be = $x$

By the given statement :

$\frac{7}{8}\ of\ x =63$

Thus, the equation to find the number can be given as:

$\frac{7}{8}x =63$

Solving for $x$ .

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$8\times\frac{7}{8}x =63\times 8$

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$x=9\times 8$

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