IDNLearn.com provides a collaborative environment for finding and sharing knowledge. Join our interactive Q&A community and access a wealth of reliable answers to your most pressing questions.
The number of masks that Mayerlin kept on her wall given the information in the question is 304.
Percentage is the fraction of an amount that is usually expressed as a number out of hundred. Percentages are a measure of frequency.
Percentage of the masks on the wall = 100 - 24 = 76%
Number of the masks on the wall = 76% x 400 = 304
To learn more about percentages, please check: https://brainly.com/question/25764815