Answer:
1. 1500
2. 95.71%
Step-by-step explanation:
1. If a number is a ± b, then the relative error is b/a
35000 - 33500 = 1500
Amount of error = 1500
2. Percentage of two given data = smaller divided by larger then x 100
33500 / 35000 = 0.95714285714
0.95714285714 x 100 = 95.71%
Ax + bx = 21
factor out x
x(a + b) = 21
x = 21/(a+b)
Answer:
$(159+x)
Step-by-step explanation:
Given
Discount price = $x
Amount Emma paid after discount = $159
Original price = Amount paid + Discount
Original price= $159 + $x
Hence the required expression is $(159+x)
9/20
A percentage is the same as showing a number over 100 and if we multiply 20 by 5 we get 100. So if we multiply 9 by 5 we get 45, giving us 45/100 which can be shown as 45%.
As a decimal, well if we say 100% equals 1.0, then 45% equals 0.45
Answer:
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Step-by-step explanation:
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