Words into Formulas
Translate: " 7 more than a number" » 7 + x
" The product of a number and 20" » 20 * x
Word Problems: A total of 220 people attend a movie one night there are 40 more children than adults. How many adults attend the movie that night?
x + (x + 40) = 220
2x = 180
x = 90
So 90 adults attended the movie on that night.
Bill is two years older than Sue, the sum of their ages is 44 how old is Sue?
x + (x + 2) = 44
2x + 2 = 44
2x = 42
x = 21
Sue is 21 yrs old