Which number produces a rational number when add by 0.4

At a furniture store, sierra paid 1275 for a sectional sofa that originally cost $1500. A) Calculate the dollar amount of the discount. b) calculate the percentage discount rate

Brian saved 30% of the money he earned. If brain earned $260, how much did he save?

Is 0.4 less than, greater than, or equal to 44% and why?

5^-2 written as a positive exponent

Daniel is 16. His parents are both the same age. The 3 of them have lived a 3 total of 100 years. How old are his parents?

Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $160 in interest after two years. How much money should he deposit?

Consider the following data which describe the amount of time in minutes students spend studying for a quiz: 10, 11, 11, 12, 12, 14, 15, 18, 19, 20, 22, 24, 39, 40, 41, 44, 46, 50, 52, 52, 53, 55, 70.

Employee Earnings per month ($) 1 1200 2 2600 3 1800 4 1450 5 3500 6 2800 7 12500 8 3200 Which measure of spread is best for the data in the table? A.) range B.) quartiles C.) interquartile range D. mean absolute deviation

Identify the two whole between which the product lies 5*7/10

Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6times as much money as Francine. How much money does Hannah have?