30% of the people shopping walking at walmart no shoes on . if there are 24 people walmart with no shoes on how many people are in walmart ?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?