3 years ago

What is 4+85×y and subtract 12

Mathematics

2 answers:

saul85 [17]3 years ago

4 0

(4 + 85 * y) - 12 =
(85y + 4) - 12 =

85 y - 8

liq [111]3 years ago

3 0

The question is not clear, but I’ll take my best guess:
4+ 85y -12 = 0
85y= 8
y= 8/85 (which you can divide to get a decimal answer)

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Read 2 more answers

the birth rate in namibia is 35 babies to every 1000 people. In 2001, the country had a population of about 1,800,000 people. ho

mr_godi [17]

Hey there!

Let's work this problem out together.

Our ratio is 35:1000, or 35/1000.

Let's try solving this in two ways.

First, we can look at our ratio 35/1000, which is equal to 0.035.

35 is 0.035 of 1000.

Therefore, to find the amount of babies, we can multiply this connecting number by the number of people.

1,800,000(0.035)=63,000

Therefore, there would be 63,000 babies.

---------------------------------------------------------------

We can also solve this as a proportion.

$\frac{babies}{people} =\frac{35}{1000} =\frac{b}{1,800,000}$

To solve, we can cross multiply and solve for b.

1,000b=63,000,000

We divide both sides by 1,000/

b=63,000

Therefore, there are 63,000 babies.

I hope this helps!

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