How do you decide which operations to use when writing an equation

What two numbers multiply together and equal 16 and add together and equal - 2?

The marker cost 1/3 as much as the pen. the pen cost 1/3 as much as the book. the book cost 1/3 as much as the game. the price of the game

Where is 25% of a unit on a number line?

Find the solution of this system of equations x-7y=-20 - 3x+9y=36

You have a 1 kilogram bag of sugar You use 435 grams to fill the sugar bowls How much sugar is left in the bag

Three pens cost $1.80. how many pens can you buy for $6.

The Barga School frows lettuce and other vegies for school lunches. The school garden is 8.4 meters long and 6.4 meters wide. The section used to grow lettuce is 2.2 meters long and 0.8 meters wide.

In my number the digit in the ones place is double the digit in the tens place. the sum of the digits is 3

Determine the volume of a cube whith a side lenght of 4cm

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?