You need 270 cookies for 90 students.
Answer:
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Step-by-step explanation:
Hope it is helpful
30 inches because 32x30=960 and the formula being used is V=bh.
C=x+9, c+x=99, c=99-x
So we have two equations equal to c, c=x+9 and c=99-x, since c=c:
x+9=99-x
2x+9=99
2x=90
x=45, and since c=x+9, c=54
So Charlie weighs 54 kg and his brother weighs 45 kg.
