Question

At Gary's store, for every 8 bottles of water sold, he sells 9 bottles of soda. Gary sells 255 of these drinks. How many of these drinks will be water?

Answer 1

so 8 units to 9 units
8+9=17
255=17 units
divide by 17
15=1 unit
water=8 units
15 times 8=120
answer is 120 bottles of water