A pair of shoes usually sells for $63. If the shoes are 40% off, and a sales tax of 7% is applied to
1 answer:
You might be interested in
The cost of one French silk cheesecake is $5 and one apple cheesecake is $14.
Step-by-step explanation:
Let,
Cost of one French silk cheesecake = x
Cost of one apple cheesecake = y
According to given statement;
8x+y=54 Eqn 1
3x+y=29 Eqn 2
Subtracting Eqn 2 from Eqn 1
Dividing both sides by 5
Putting x=5 in Eqn 1
The cost of one French silk cheesecake is $5 and one apple cheesecake is $14.
Keywords: linear equation, subtraction
Learn more about linear equations at:
#LearnwithBrainly
Solution:
Given PRQ is a triangle.
ST is a line parallel to RQ.
<u>Triangle proportionality theorem,</u>
<em>If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>
Do cross multiplication, we get
Divide by 2x on both sides, we get