7/15 is the simplified fraction for 42/90
The principle SQRT of 100 would be 10 because 10*10 is 100
Answer:
54
Step-by-step explanation:
6 bars of soap = $1
x bars of soap = $9
We need to multiply both sides of the equation by the same amount so that $9 is on the right.
$1 x 9 = $9
6 x 9 = 54
So, you can buy 54 soaps with $9.
Hope this makes sense. Feel free to ask further if need be.
Use the Pythagorean therm , you know the a^2+b^2=c^2