2y +9 =x 9x- 8y=31
System of substitution

Is there an x intercept in the equation 60*1.15^x

To decrease an amount by 16% what single multiplier would you use

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?