Maria bought a bag of marbles. there were twice as many purple ones as red ones. there were 93 marbles in all. how many of each color marble were there?

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

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.

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.