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ella [17]
3 years ago
10

Decrease £120 by 15%

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0

To decrease this amount by 15% we must first find out what is 15% percent.

We can do that by multiplying the decimal of 15% by 120

15% = 0.15

0.15 x 120 = 18

So 18 is 15% of 120.

Wait! that's not the answer. We are asked to decrease by 15%

So 120 - 18 = 102

Your answer is £102

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Let x,y be the two numbers.

Given that one number is 8 greater than another.

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And also given that product of the two numbers is 84.

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x × (x+8) = 84

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And two negative numbers corresponding to given conditions are -12,-4.

Step-by-step explanation:

hope it may help you!!

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