The number of widgets that a manufacturing plant can produce varies jointly as the number of workers and the time that they have worked. Find the constant of proportionality k to 2 decimal places if 160 workers work 16 hours and can produce 307.2 widgets.

Which of the following is a proper fraction? a. 9⁄8 b. 5⁄6 c. 7⁄3 d. 4⁄2

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Catherine saved some money and plans to add the same amount each week to her savings account. the table represents the number of weeks that she will save, x, and the total amount of money that she will have in her account, y. weeks, x dollars in account, y 4 74 6 86 9 104 11 116 which linear equation represents catherine’s situation?