Jenny eats one fifth of a cake. She eats twice as much as Lily. What fraction of the cake does Lily eat?
2007-04-30 19:13:20 · 7 answers · asked by angeline 2 in Science & Mathematics ➔ Mathematics
Thanks alot! You guys have helped me!
2007-04-30 19:29:14 · update #1
Let L be the amount Lily ate:
1/5 = 2L
Multiply each side by 1/2:
1/5 * 1/2 = 2L * 1/2
1/10 = L
Lily ate 1/10 (one tenth) of the cake.
2007-04-30 19:18:04 · answer #1 · answered by theoryofgame 7 · 0⤊ 0⤋
If 1/5 of the cake is twice of Lily's portion
1/5 = 2 L
1/5 / 2 = 2L/2
1/5 x 1/2 = L
1/10 = L
L = 1/10 ==> portion of cake Lily ate
2007-04-30 19:38:39 · answer #2 · answered by detektibgapo 5 · 0⤊ 0⤋
1/10
2007-04-30 19:16:39 · answer #3 · answered by b 3 · 0⤊ 0⤋
1/5 divided by 2=1/5 x 1/2=1/10
2007-04-30 19:20:20 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
let lily eats xth part
jenny eats one fifth
she eats twice as much as lily that is 2x
2x=1/5
x=1/5*2=1/10
lily eats 1/10thpart
2007-04-30 19:36:38 · answer #5 · answered by rajesh 2 · 0⤊ 0⤋
1/5 *1/2 , just mutiply the top and the bottom of the fraction.
1*1 = 1
2*5 = 10
therefore the top of the fraction is 1, and the bottom is 10
answer = 1/10
hope this helps
2007-04-30 19:23:35 · answer #6 · answered by blank 2 · 0⤊ 0⤋
1/2 x 1/5 = 1/10
A: one tenth
2007-04-30 19:16:21 · answer #7 · answered by Anonymous · 0⤊ 0⤋