2-Ratio

If (3a+2b): (5a +3b)= 18:29, find a:b

1> a:b=4:3

2> a:b=4:5

3> a:b=3:3

4> a:b=3:4

1

   if there is 1 boy and 4 girls you could write the ratio as:

Gr:7:Average

An average is the result that you get when you add two or more numbers together and divide the total by the number of numbers you added together.

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Quadratic Word problems

The sum of a number and 

its reciprocal is 4.25. 

find the number.

Quadratic Word problems

The sum of a number and

 its reciprocal is 4.25. 

find the number.

Quadratic Word problems

Find the two natural numbers that

 differ by 5 and 

the sum of whose squares is 97.

Quadratic Word problems

1. 

The sum of the squares of 

two consecutive 

natural numbers is 41. 

Find the numbers.