Answer:
The second step is Distributive Property and the third is Subtraction Property of Equality
Step-by-step explanation:
The 1/2 is being distributed in the second step making the 8x to 4x and the 6 to 3.
The third step involves the subtraction of "x" from the right hand side and the left hand side.
How much would 4 pens cost?
Answer:
cost of 4 pen is £0.6
Step-by-step explanation:
cost of 2 pen *2= cost of 4 pen
£0.30*2=cost of 4 pen
£0.60=cost of 4 pen
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The required number would be 11 / 3 which represents " Fifteen times a number subtracted from 80 is 25".
Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.
- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.
for example 12 -2 = 10
* Multiplication operation: Multiplies values on either side of the operator
For example 12*2 = 24
To determine the number which is Fifteen times a number subtracted from 80 is 25
Let the number be x.
As per the given condition,
Here the required number would be Fifteen times = 15x and
Then this is subtracted from 80; 80 - 15x
⇒ 80 - 15x = 25
⇒ -15x = 25 - 80
⇒ -15x = -55
⇒ x = -55 / -15
Apply the Division operation, and we get
⇒ x = 11/3
Therefore, the required number would be 11 / 3.
Learn more about Arithmetic operations here:
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Answer:
4/5 forms a proportion with 16/20.
Step-by-step explanation:
We are given an rational number as 16/20.
we have to find another rational number which is equivalent to it.
as both 16 and 20 are multiple of 4 we could also represent the ratio 16/20 as:
we cancel 4 on both the numerator and denominator to get .
Hence, the ratio is proportion with .