Answer:
I think in grade 6th or 7th I star it learning those types of equations
So for this question,
we take 50 as 90% first
so to find 100%, 50/90 * 100 =55.6 or = 55 5/9 or = 500/9
A.) .6 or 60%
b.) .66 or 66%
Answer:
=1
Step-by-step explanation:
(-2-√3)(-2+√3)
=-2(-2+√3)-√3(-2+√3)
=4-2√3+2√3-√9
=4-3
=1
About 8 meters since the space is smaller than the 12 meter space