### Home > MC2 > Chapter 6 > Lesson 6.2.2 > Problem 6-91

6-91.

**strategies** you already have to answer the questions below.

Andy is

years older than Eduardo. If Andy is years old, write an expression to represent Eduardo's age.If Eduardo is

years younger than Andy, how could his age be represented if Andy is years old?In Eduardo's collection, the number of butterflies is

more than twice the number of moths. If there are moths, write an expression to represent the number of butterflies he has.If twice the number of moths,

, can be represented as, how can the number of butterflies be represented?