Henry wants to see how many different colored crayons are in the crayons box. If there are 4 rows of 19 crayons , how many different colored crayons are there, assuming no duplicate colors?
To solve this mathematical problem you will multiply the number of rows by the number of crayons in each row. This will look like 4×19, which is 76. And since there is no duplication of colors there will be 76 different colored crayons.