Alex, Steffen and Bridget share some sweets in the ratio 1 to 5 to 3 Alex gets 10 sweets how many did Bridget get

Find the solution of each of the following.

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.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount