Question

1. As part of a survey, 50 students were asked about their favorite lunch item. The results are shown in the table below .The cafeteria manager knows that about 300 students buy lunch from the cafeteria each day. Based on the table, she predicts that 60 students will buy pizza each day.Which statement about her prediction is true?
A. Her prediction is invalid because 1/5 of 50 is 10.
B. Her prediction is invalid because of 300 is 75.15
C. Her prediction is valid because 120% of 50 is 60.
D. Her prediction is valid because 20% of 300 is 60.2.


The money in Juan's savings account earns 1% interest. Which value is less than 1%%?
A. 5/4
C. 1/80
B. 0.125
D. 0.0114

Answer 1

1.
A. This statement is wrong because the prediction is valid, not valid.
B. Refer to A.
C.This statement is valid, yet explains the prediction incorrectly. 
[D.] This statement is correct because 50 x 6 = 300, therefore 20% of 300 is 60.

2.

A. This is incorrect because it equals 125%
B. This is also incorrect, it equals 12.5%
C. Refer to B
[D.] This is correct, it equals 1.14%, which is less than 1.25%