Several friends wanted to rent a summer cottage for $320. when two more people joined the group, each person's share was reduced by $8.00. how many were in the original group? explain

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.

In july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.

What is the missing value in the proportion 4/5 = x/30