[SOLVED] a tricky percentage and proportions problem
Fresh grapes contain 80% water by weight. dry grapes contain 15% water by weight.
how many pounds of dry grapes can be obtained from 34 pounds of fresh grapes?
(a) 8
(b) 9
(c) 10
(d) 11
(e) 12
Fresh grapes contain 80% water by weight. dry grapes contain 15% water by weight.
how many pounds of dry grapes can be obtained from 34 pounds of fresh grapes?
(a) 8
(b) 9
(c) 10
(d) 11
(e) 12
can anyone help me...thanx in advance
34 lbs of fresh grapes are 20% grape (no water) = 6.8 lbs
dry grapes are 85% no water, so 85% of the dry grape weight = 6.8 lbs