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Wittaler [7]
3 years ago
11

Devaughn is 15 years younger than Sydney. The sum of their ages is 85 . What is Sydney's age?

Mathematics
1 answer:
Archy [21]3 years ago
4 0
Sydney’s age is 50.

Devaughn age: x-15       Sydney’s age: x

x-15+x = 85
2x-15 = 85
2x = 100
x = 50
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3 0
3 years ago
A rectangular swimming pool measures 50 meters in length and 25 meters in width. If the length in the scale drawing is 10 cm, wh
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Answer:

The 25 m width of the actual swimming pool in the scale drawing is 5 cm

Step-by-step explanation:

The dimensions of the actual swimming pool given are

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The scale of the scale drawing is therefore;

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5 0
3 years ago
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3 years ago
Seven less than the product of a number and 10 is 50
Veseljchak [2.6K]
<span>product of a number and 10: 10n
</span><span>Seven less than the product of a number and 10: 10n - 7
so
</span><span>Seven less than the product of a number and 10 is 50:</span>
10n - 7 = 50
----------------------------
if you need to find the number n then
10n - 7 = 50
10n = 57
    n = 57/10
    n = 5.7
5 0
3 years ago
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