Kuldeep had a sum of money. He saved 1/4 of it. He spent 4/9 of the remaining on a suitcase.
a) What fraction of his money was spent on the suitcase?
b) What fraction of his money was left?
Explain step by step
Answers
Answer:
Fraction of his money was spent on the suitcase = \frac{1}{3}
3
1
Fraction of his money was left = \frac{5}{12}
12
5
Explanation:
Given, \frac{1}{4}
4
1
of his money were saved,
Thus, remaining money after saving= (1-\frac{1}{4})\text{ of the total money}=\frac{3}{4}\text{ of the total money}=(1−
4
1
) of the total money=
4
3
of the total money
Now, four by nine of the remaining money were spent on a suitcase,
So, the total money spent on suitcases = \frac{4}{9}\text{ of the remaining money}=\frac{4}{9}\times \frac{3}{4}\text{ of the total money}=\frac{1}{3}\text{ of the total money}=
9
4
of the remaining money=
9
4
×
4
3
of the total money=
3
1
of the total money
∴ Fraction of his money was spent on the suitcase = \frac{1}{3}
3
1
Since, the money he have left finally = Total money - ( Total saving + Total spending on suitcases )=(1-\frac{1}{4}-\frac{1}{3})\text{ of the total money}=\frac{12-3-4}{12}\text{ of the total money}=\frac{5}{12}\text{ of the total money}=(1−
4
1
−
3
1
) of the total money=
12
12−3−4
of the total money=
12
5
of the total money
∴ Fraction of his money was left = \frac{5}{12}
12
5