how much alcohol must be added to 480grams of hand sanitizer that is 24% alcohol to make it a hand sanitizer that is 40% alcohol?

Jane is in charge of making a banner for the basketball game this Saturday. She measures how long the banner is before painting it. She finds it measures 10 meters Which measurement did Jane find?

How do you solve 3 1/2 - 2 2/5

Five horses can plow 20 acres of land in an hour how many acres can 21 horses plow in an hour

Is the set of numbers that can be written as the product of 6 and an integer closed under subtraction? A. Yes, because the difference of any two multiples of 6 is equal to 6. B.

20 ounces to 25 ounces increase or decrease

3-Lois wants to send a box of orenges to a fiend by mail. The box of orenges cannot exceed a mass of 10 kg. If each orenge has a mass of 200 kg, what is the maximum number she can send?

Geometry the length of a rectangle is twice the width. find the width if the perimeter is 60 centimeters. define a variable, write an equation, and solve the problem.

1. Gabriel has a box of cereal. What is the surface area of the box? What is the volume? 2 in. 12 in. 8 in.

Por que es importante que los científicos desarrollen una forma de hacer los tejidos que se han construido en el sistema de suministro de sangre

5{-3.4k-7} + {3k+21}