The text discusses various mathematical concepts related to ratios, including their representation and types of problems that involve them. It explores practical applications of ratios through examples involving curry puffs and tarts, salaries, and the distribution of stamps.
There were thrice as many curry puffs as tarts at a shop. After 362 curry puffs and 50 tarts were sold, the number of curry puffs unsold was 35% of the number of tarts unsold. What was the total number of curry puffs and tarts at the shop at first?
Unchanged Quantity
Mary put some red beads and blue beads in 2 jars.In jar A, the ratio of number of red beads to blue beads was 3 :4. In jar B, the no of read beads was twice the number of blue beads.Mary transfered half of the blue beads from jar A to jar B. The total number of beads in jar A became 105 and the ratio of the number of red beads to the number of blue beads in jar B became 5 :6.What was the number of beads in jar B after the transfer ?
Unchanged Total
Laura and Ahmad have some stamps. If Laura gives 80 stamps to Ahmad, he will have five times the number of stamps as she has. If Ahmad gives 120 stamps to Laura, she will have 1/3 as many stamps as Ahmad. How many stamps does Laura have at first?
Unchanged Difference
The ratio of Gladys's salary to Sheryl's salary is
1:2. After they each spent $550 on food every month,
Gladys had 40% of what Sheryl had. Find out how much Gladys had at first.
'Cousins' of Ratio
Percentage
Fractions
Decimals
Definition
A ratio shows the relative sizes of two or more values.
Ratios can be shown in different ways. Using the ":" to separate example values, or as a single number by dividing one value by the total.
