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4 years ago

12

A photocopier will only enlarge an image by 10% each time. Determine how many enlargements it will take for an image to be over

twice its original size

2 answers:

iVinArrow [24]4 years ago

4 0

Answer:

2 times

Step-by-step explanation:

2 times

100=10^x

100^2=10^x

x=2

ivanzaharov [21]4 years ago

4 0

Answer:

8 enlargements

Step-by-step explanation:

Each time image gets enlarged by 10% or 1.1 times

1.1^x=2
x log 1.1 = log 2
x= log2 / log1.1 = 0.30/0.04 = 7.5 = 8 enlargements

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