80% of a number is x. What is 40% of the number?

Relacion entre los numeros 4030 - 3010 - 1020

Glenn needs to cut pieces of ribbon that are each 1 meter long to make ribbon key chains. If he has 7 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut? Glenn needs pieces.

The sum of the measures of the three of a angles of triangle is 180. In a triangle, the measures of three angles are x, x-5 and x+23. What is the measure of each angle

Given that R = 4 x + 8 y Find y when x = 4 and R = 32

Describe how to transform the graph of f into the graph of g. f (x) = square root of quantity x minus nine. and g (x) = square root of quantity x plus five.

What is the solution to the system of equations? Use the substitution method. {y=-2x+5 {3x-4y=2 Enter your answer in the boxes.

Absolute value of - 1 + 3i

Round 64,569 to the thousands

Keenan received two cube shape packages in the mail. The first package measured half the side lengths of the first. What was the volume of the second package Keenan received?

Dan was 8 years old when his sister was born. Now the sum of their ages is 56. Write an equation to represent this problem. Let the sister's age be s.