Which expression represents the phrase "three times the sum of a number and 4"?
2 answers:
Answer:
The correct option is 2.
Step-by-step explanation:
The given statement is "three times the sum of a number and 4".
We need write the mathematical expression for the given statement.
Let the unknown number be x.
The sign " + " is used for addition and sum.
The sign " × " is used for multiplication, times and product.
Sum of a number and 4 =
Three times the sum of a number and 4 =
The required expression is 3(x+4). Therefore, the correct option is 2.
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Answer:
After using the offer the carpet would cost Ahmed $180.
Step-by-step explanation:
Given:
Cost of the carpet = $240
Discount percent = 25%
We need to find the cost of the carpet after discount.
Solution:
First we will find the Discount cost.
Now we know that;
Discount cost is equal to Discount percent multiplied by Cost of the carpet divided by 100.
framing in equation form we get;
Discount cost =
Now we will find the Cost of the carpet after discount.
Now we know that;
Cost of the carpet after discount is equal to Cost of the carpet minus Discount cost.
framing in equation form we get;
Cost of the carpet after discount =
Hence After using the offer the carpet would cost Ahmed $180.