George do use the diagram below to help determine 30% of 60 which expression could George have used

The sum of two numbers is 86, and their difference is 20. find the two numbers

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?