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If the area of the old garden was 1m^2, then the side lengths were both 1
if she increases the lengths by 50%, then 1 turns into 1.5
1.5 times 1.5 is 2.25
The area of her new garden is 2.25m^2
The sign in the exponent: positive->increases, negative->decreases. Think that a negative sign implies 1/exponential and you'll clearly see the reason.
Answer:
8
Step-by-step explanation:
we have
we know that
To divide fractions take the reciprocal (invert the fraction) of the divisor and multiply the dividend
so
Multiply the numerators and denominators
