a milk sell for $4.6
$8 can ge 2 milk
what is the discount?
2006-11-20 13:50:05 · 2 個解答 · 發問者 ? 5 in 科學 ➔ 數學
what is the discount%?
2006-11-20 13:52:11 · update #1
$8 / 2 = $4 each
discounted amout = $4.6 - $4
= $0.6
discount = 0.6/4.6 x 100
= 13.04%
2006-11-20 13:55:43 · answer #1 · answered by vegitou 7 · 0⤊ 0⤋
($4.6*2-$8)/$4.6*2*100%
=(9.2-8)/9.2*100%
=1.2/9.2*100%
=13.0%(correct to 3 sig. figs
2006-11-20 13:56:27 · answer #2 · answered by Georgianna 2 · 0⤊ 0⤋