3 years ago

A car was bought for £18,000.It was sold for £15,300.Express this as a percentage decrease.

Mathematics

2 answers:

Alexus [3.1K]3 years ago

7 0

Answer:

15%

Step-by-step explanation:

when 18000 is 100%, 10% is 1800. So to make 15300 we need 8.5 1800s. So 85% of 18000 is 15300 so the rest is 15%. The answer is 15%

STALIN [3.7K]3 years ago

3 0

Answer:

15%

Step-by-step explanation:

[ (18,000-15,300) / 18,000 ] x 100

= (27,00 / 18,000) x 100

= 0.15 x 100

= 15%

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The equation whose solution is the given quantity is 90,000,000 = 2,000,000w + 15,000w where w = $44.67

<h3>Equation</h3>

B = xz + yw

Where,

B = Total cost = 90
x = number of fighter plane = 20
y = tons of wheat = 15,000
w = cost of each tons of wheat
z = cost of fighter plane
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B = xz + yw

90,000,000 = (20 × 100,000w) + (15,000 × w)

90,000,000 = 2,000,000w + 15,000w

90,000,000 = 2,015,000w

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Approximately,

w = $44.67

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A car was bought for £18,000.It was sold for £15,300.Express this as a percentage decrease.​

A car was bought for £18,000.It was sold for £15,300.Express this as a percentage decrease.