Saltguy

You can't really ''solve'' this problem because we don't know the actual sum of the equation, are you sure you don't mean ''simplify'' and not ''solve''?

If ''how much water is in each lake?'' refers only to Lake Superior, Michigan and Huron, this should be the answer.

The question gives us some information on the lakes' sizes which we can use to find the answer.

S-1720=M 

S-(1720+330)=S-2050=H

Now we do some basic algebra and find the value of S.

S+(S-1720)+(S-2050)=4930

3S-3770=4930

3S=8700

S=2900

Now we use S' value to find the value of M and H.

2900-1720=1180=M

2900-2050=850=H

Answer: Lake Superior contains 2900 cubic miles of water, Lake Michigan contains 1180 cubic miles of water, and Lake Huron contains 850 cubic miles of water.

melody gettin fed up

If you mean 3 fourths:

3/4=0,75

0,75+0,05=0,8

If you mean three fours:

4*3+0,05=12+0,05=12,05

Write Numerator/Denominator and it will count as a fraction/division.

2/4, 1/2, and so on.

10000=10c+10p=10c+10p+2c-8p=12c+2p

From this we can deduce that one computer's cost is equal to the cost of 4 printers, since 8 printers had to be removed to afford 2 extra computers. So c=4p, p=0,25c

This means that if we substitute all 10 printers for their computer value we can find out how much a computer costs.

10c+10*0,25c=10000

10c+2,5c=10000

12,5c=10000

c=10000/12,5

c=800

Answer: One computer costs 800$

Not sure I understand your question.

Pi has an infinite number of digits, but the first three are 3.14.

Why not? Decimals can, so fractions can too.

1/2^2=0,5^2=0,25=1/4

I see three possibilities.

1. The teacher is wrong

2. You misunderstood the assignment

3. You misread X as 443556, you might have missed a digit or something.

Would help if you gave an example.

9/8

S=Sonic C=Car M=You

M>S>C>M

What you're describing is mathematically impossible.