Suppose you're given the formula r = s + 2t. if you know that s is three times greater than t, how could you rewrite the formula? a. r=3 (s+t) b. r=5s c. r=5t d. r=3(s+2r)

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28