Because pants have two legs and so it's a pair of pants, a shirt is just one shirt and so it isn't a pair of shirts.
It's called a pair of pants because each pant leg used to be one separate item of clothing, and was belted in the middle.
Assuming each of the shirts is distinguishable from the others and similarly with the pants and a "combination" consists of one shirt and one pair of pants, the answer is 4*10 = 40 combinations.
12
Assuming the shirts and pants are all different and that an "outfit" consists of one shirt and one pair of pants and that Jimmy is using these shirts and pants to make his outfits, there are 42 possible combinations.
24 seperate outfits.
8
No, it is not grammatically correct to say "a pair of clothes." The correct phrase is "a pair of pants" or "a pair of shoes" because these items come in pairs. "Clothes" is a plural noun.
To make shirts and pants you must have Builders Club. If you have Builders Club, you can make shirts and pants using your favorite image editing program. Just download the template from the Roblox shirt upload page, and edit the template to make a shirt or pair of pants that looks like whatever you want. You can then upload the item to Roblox from the shirt or pants upload page.
A pair of pants.
you would buy two pairs of pants!
Assuming an outfit is one shirt, one pair of pants and one pair of shoes, there are 24 different outfits.
Because pants have two legs, which are called pant legs.