The answer to the questions
Step-by-step explanation:
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<span>(230 + w) x ( t ) = ( 275 )
(230 - w) x ( t ) = ( 185)
t = 275 / (230 + w)
t = 185 / (230 - w)
275 / (230 + w) = 185 / (230 - w)
275(230 - w) = 185(230 + w)
63250 - 275w = 42550 + 185w
20700 = 460w
w = 45mph
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Answer: the chiled is 3 years old
Step-by-step explanation:
Area = length x height divide 2
so = (6x6)/2 - (3x2)
= 12 cm square