Separate 945 into 3 parts so that the second part is three times the first part and the third part is double the second part. which of the following equations could be used to solve the problem
a. 945=x+3x+6x
b. 945=x+(x+3)+(x+6)
c. 945=x+9

Give all possible names for the line shown. calculation tip: lines can be written with either point first.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?