Jimmy spent \$18 on some toys. He spent $\frac{7}{12}$ of his remaining money on a backpack. He was left with $\frac{1}{3}$ of the original sum of money. How much did Jimmy spend on that backpack?
Jazreel spent $\frac{1}{5}$ of her savings on a watch. She then spent $\frac{1}{2}$ of the remaining money to purchase a television set. (a) What fraction of her money was spent on the television set? (b) If Jazreel had \$1440 left in her account, how much did the watch cost?
Gina bought some storybooks. She sold 16 more than $\frac{3}{5}$ of her storybooks on Monday. She then sold 2 less than $\frac{1}{4}$ of her remaining storybooks on Tuesday. How many more books did she sell on Monday than on Tuesday if she was left with 38 books?
The figure shown below is made up of a triangle and a circle. The area of the triangle is $\frac{3}{4}$ of the area of the circle. Given that $\frac{3}{5}$ of the circle is shaded, what fraction of the figure is shaded?
In a stadium, there are 700 seats. 178 of them are first-class seats. How many ordinary seats must be converted into first-class seats, so that the proportion of first-class seats will be $\frac{3}{10}$?
A
30
B
31
C
32
D
33
E
None of the above
Sorry. Please check the correct answer below.
There are $\frac{2}{5}$ as many first class seats as ordinary seats. $\frac{3}{10}$ $\times$ $\frac{700}{1}$ = 210 210 – 178 = 32
There are $\frac{2}{5}$ as many first class seats as ordinary seats. $\frac{3}{10}$ $\times$ $\frac{700}{1}$ = 210 210 – 178 = 32
Muthu bought $\frac{2}{9}$ as many apples as oranges. In addition, he bought $\frac{3}{4}$ as many mangoes as oranges. Muthu bought 38 more mangoes than apples. How many fruits did Muthu buy?
Three boys, Alex, Ben and Calvin have some marbles. The number of marbles Alex has is $\frac{1}{4}$ the total number of marbles Ben and Calvin have. The number of marbles Ben has is $\frac{1}{5}$ the total number of marbles Alex and Calvin have. If Calvin has 152 marbles, find the number of marbles Alex and Ben have respectively.
Elliot’s savings was $\frac{6}{7}$ of Jerry’s. Thereafter, Elliot saves \$18 and Jerry spends \$9. They then had the same amount of money. How much was Elliot’s savings at first?