20 ounces to 25 ounces find the percent of change
2 answers:
Answer:
Percentage change is 25%
Step-by-step explanation:
Given : 20 ounces to 25 ounces
We have to find the percent of change.
Percentage change is given as the ratio of amount of change to the original amount multiplied by 100.
Mathematically , written as
Given change occur from 20 ounces to 25 ounces
Original amount = 20 ounces
New amount = 25 ounces
Amount of change = new amount - original amount
Amount of change =25 - 20 = 5 ounces
Thus, Percentage change is 25%
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Answer:
Length:8 m
Width:3 m
Step-by-step explanation:
<u><em>The complete question is</em></u>
If the perimeter of a rectangle is 22 meters, and the perimeter of a right triangle is 12 meters (the sides of the triangle are half the length of the rectangle, the width of the rectangle, and the hypotenuse is 5 meters). How do you solve for L and W, the dimensions of the rectangle.
step 1
<em>Perimeter of rectangle</em>
we know that
The perimeter of rectangle is equal to
we have
so
Simplify
-----> equation A
step 2
Perimeter of triangle
The perimeter of triangle is equal to
so
Multiply by 2 both sides
----> equation B
Solve the system of equations by graphing
Remember that the solution is the intersection point both graphs
using a graphing tool
The solution is the point (8,3)
see the attached figure
therefore
The dimensions of the rectangle are
Length:8 m
Width:3 m
