7,719=83*93.explain why83*93 is not the prime factorization of 7,719

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

For the word below, click on the drop-down arrows to select the root and its meaning. version

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.