Which is the best strategy to use to solve this problem?

mr. jackson wants to build a pool in his backyard. he plans to put a safety fence around the rectangular pool area that has an area of 400 square feet. he wants to use as little fence material as possible.

what are the dimensions mr. jackson should use for his rectangular pool area?

a.
make a list.

create a list of all possible whole-number combinations of length and width that would equal an area of 400 square feet. then start calculating the perimeter of each rectangle. look for a pattern to decrease the number of calculations you have to make.

b.
write a number sentence.

use a number sentence to calculate the area of a rectangle. use guess and check to find two numbers that when multiplied will give a product of 400.

c.
use objects.

arrange 400 square tiles in different patterns until you get a rectangular shape. count the number of tiles on the perimeter of the shape.

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You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.

If i had 1234 apples and 1 banana what is the total amount