Let the total items bought be x.
Erasers = 4x/11, Pens = 7x/11
Erasers = $1.20, Pen = $1.60
4x/11 * 1.2 + 7x/11 * 1.6 = 64
4.8x + 11.2x = 64 * 11
16x = 64 * 11
x = 4 * 11 => x = 44
No. of erasers = (4 * 44)/11, No. of pens = (7 * 44)/11
= 16 = 28
160.
final total is 121 after adding 17 roses so after giving away half white total is 104
initial mix is 3/10 red and 7/10 white after giving away half white total us 6.5/10 or 13/20
Divide 104 by 13/20 104/13*20=8*20=160
Cost of fish burger is 3 times cost of chicken wing
She spent 1/4 of her money on 6 wings
and 2 f.b.
Total = 12
1/4 of her money = 12
4/4 of her money = 48
Remainder of her money = 48 - 12
= 36
She spent 2/3 of remainder on fish burger.
2/3 of remainder = 2/3 * 36
= 24
She spent 24 on rush burgers.
Since f.b. Costs 6 each,
24 ÷ 6 = 4 fish burgers
70 is the answer
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