john is 2 years more than twice as old as david. the sum of their age is 14, find the age of each child

Don't know how to do 3x+2y-2x+2=3x--2x+2y+2

In Japan farmers have created watermelons in the shape of a rectangle or prism find the volume of a prism shaped watermelon in cubic inches if its length is 10 inches its width is 2/3 foot and its height is 9 inches

What is the solution to the system of equations 6y-4x=18 y-2x=12

The length of a rectangle is 3.5 inches more than its width. The perimeter of the rectangle is 31 inches. Find the length and the width of the rectangle.

The perimeter of a rectangle is P = 2L + 2W, where L is the length and W is the width. If the perimeter is 200 feet and the length is 40 feet more than the width, what are the dimensions?

There are some rabbits and some hutches. If eight rabbits are put in each hutch, one rabbit is left over. If eleven rabbits are put in each hutch, one hutch is left empty. How many rabbit hutches are there, and how many rabbits are there?

In a survey, three out of ten people named blue as their favorite color. One out of five people named red. If 1,200 people were included in the survey, how many named blue or red as their favorite color? 700 people 800 people 600 people 400 people

Express 0.875 as a fraction

Square root 85.1 to the nearest integer

The diaz family arrived for breakfast at a diner at 8:45 a. M. They stayed at the diner for 1 hour and 23 minutes. What time did the family leave the diner