Asked by Peachie
The ratio of the number of lisa's pens to the number of adeline's pens was 2:3 at first.after father gave lisa another 16 pens,the ratio became 2:1
A.how many pens did adeline have?
B.if adeline gave away 6 pens,what would be the new ratio of the number of lisa's pens(after father gave her 16 pens)to the number of adeline's pens?
A.how many pens did adeline have?
B.if adeline gave away 6 pens,what would be the new ratio of the number of lisa's pens(after father gave her 16 pens)to the number of adeline's pens?
Answers
Answered by
Henry
Adeline has X pens.
Lisa has 2x/3 pens.
A. (2x/3 + 16)/x = 2/1.
2x/3 + 16 = 2x
2x + 48 = 6x, X = 12.
B. 2/3 * 12 = 8 pens.
(8+16)/(12-6) = 24/6 = 4/1.
Lisa has 2x/3 pens.
A. (2x/3 + 16)/x = 2/1.
2x/3 + 16 = 2x
2x + 48 = 6x, X = 12.
B. 2/3 * 12 = 8 pens.
(8+16)/(12-6) = 24/6 = 4/1.
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