How to express 45 seconds and 3 minutes as a fraction of the second

Tim has $30 he buys pens that cost $2.50 each until he has only 10 left if x represents the number of Penn's purchase by Tim this situation can be represented by the equation 30-2.50x=10 how many pens did Tim buy?

A train leaves the station at time t=0. Traveling at a constant speed, the train travels 480 kilometers in 4 hours. The function that relates the distance traveled d to the time t is?

Millie has a box of 1 hundresds cubes she also has a bag of 70 cubes how many trains of 10 cubes can she make

The value of y, the length of each leg, must be equal to 7. between 7 and 14. greater than 7. between 14 and 28.

Find the geometric mean of the pair of numbers: 81 and 4

An electronics manufacturer has 180 capacitors, and the same number of capacitors is needed for each circuit board made. The manufacturer uses the capacitors to make 45 circuit boards

The Suarez family paid $17.25 for 3 movie tickets. How much would they have paid for 12 tickets

The sale price of an item is $140 after a 20% discount is applied. What is the original price of the item?

Julie works 30 hours each week at $27.33 per hour. Julie has 30.55% taken out for taxes and withholdings. What is the net pay per week?

The sum of 2 numbers is 7. if one number is subtracted from the other, the result is - 1. find the numbers