3/10 x 4/5 =

This is an algebra question.

If you have to drive 200 miles and someone drives 4/10 of the distance and some one else drives 20% what does the other person. Have left to drive

I can't understand it nor work it out.

Three pounds of lawn seed covers 1800 square feet. How many 4 pound bags are needed to cover 8400 square feet?

Produce the least positive number that is divisible by 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11.

A street lamp weighs 150 N. It is supported by two wires that form an angle of 120 (degrees) with each other. The tensions in the wires are equal.

Evalue f (x) = (-2) ^2-3 (-2) + 5 / (-2) ^2+1

How many positive integers are there whose digits strictly increase from left to right?

Cristiano Ronaldo has a messy house. He hires a maid to clean his house for $125 per visit. Part A:Write a function to represent the total cost Cristiano spends having his house cleaned. Part B: Define the input and output in the given scenario.

The perimeter of the triangular park shown on the right is 10x+2. What is the missing length? 2x+5. X-1

The following data set shows the number of books checked out from a library during the first two weeks of the month: 19, 10, 15, 99, 12, 18, 15, 16, 12, 13, 18, 17, 19, 13 Which of the following statements is true based on the data set?