SOLUTION: tina and jenny share a slab of chocolate. tina eats 0.125 and jenny 75% write the peace of chocolate that is left, as a common fraction

Question 1025082: tina and jenny share a slab of chocolate. tina eats 0.125 and jenny 75% write the peace of chocolate that is left, as a common fraction

Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
0.125 in fraction form. It has 3 decimals, so:
0.125 = 125/1000 divide both numbers by 25:
5/40 these are both divisible by 5
1/8 we can't reduce it any more.
You can do the same for 75%:
75% = 0.75; two decimals: 75/100 divide by 25:3/4
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Now we have:
1/8+3/4+x = 1
find common denominator:
1/8+6/8+x = 1
7/8+x = 1
x = 1/1-7/8 = 8/8-7/8 = 1/8 is your answer
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Check:
1/8+6/8+1/8 = 8/8 simplify: 8/8 = 1 slab. Correct.
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