36/40 = 90%
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work
36/40= 0.9
0.9x100 =90
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Area is base multiplied by height, so to get the answer you'd need to multiply 6.5 and 4
X > 10 Because if you remove the parenthesis and distribute 4 through the parentheses - 8x + 8 + 12. Then you add 8 and 12 which equals 20. Then you move the constant to the right-hand side and change its sign. You calculate 100 - 20 which give you 80 and divide then which gives you 10.
Hopefully this helps! <3
5’3 is 63 inches since her brother is 1/3 larger so 63/3= 21 inches
