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In this lesson, we will learn how to use a ratio to describe the relationship between two quantities and use this to solve real-world problems.

Q1:

Complete the following: At an ice-cream shop, the ratio of small ice-cream cones sold to large ice-cream cones was 5 ∶ 9 . For every large ice-cream cones sold, there were small ice-cream cones sold.

Q2:

If there are 8 tennis balls and 5 tennis rackets, which of the following statements is true?

Q3:

Complete the following: At a coffee shop, the ratio of the number of cups of coffee sold to the number of cups of tea was 8 ∶ 2 . For every cups of coffee sold, there were cups of tea sold.

Q4:

For every 4 regular sodas sold at a market, there are 2 diet sodas sold. What is the ratio of diet sodas sold to the total number of sodas sold?

Q5:

If there are 2 pickles and 4 onions in a burger, determine which of the following statements is true?

Q6:

Complete the following: Sameh and Shady are selling lemonade. The ratio of the lemonades that Sameh sold to those that Shady sold was . Out of lemonades sold, have been sold by Shady.

Q7:

Write this ratio in its simplest form: The ratio of the perimeter of a square to its side length.

Q8:

Complete the following: At a burger shop, the ratio of hot dogs to burgers sold was 4 ∶ 8 . For every burgers sold, there are hot dogs sold.

Q9:

If 8 nails are used and 2 chairs were built, which of the following statements is true?

Q10:

For every 3 male fish in a fishbowl, there are 7 females. What is the ratio of the male to female fish in the bowl?

Q11:

For every 7 bags, Nada has 5 pairs of shoes. What is the ratio of the bags to the total number of bags and shoes?

Q12:

Last year, the baseball team had 8 third-grade students and 7 fourth-grade students. What was the ratio of the fourth-grade students to third-grade students on the team?

Q13:

What is the ratio between lengths and in its simplest form?

Q14:

Complete the following: There are 5 boys and 7 girls in a summer camp. Out of students, of them are boys.

Q15:

In maths, a student scored 50 marks out of 52 in the exam. Find the ratio of his mark to the full mark in its simplest form.

Q16:

If the total number of boys and girls in a school is 595, where the number of boys is 384, find the ratio between the number of boys and the number of girls.

Q17:

A teacher asked the students to find an equivalent expression for 6 to 8. The first students said it was 6 ∶ 8 , while the second student said it was 8 ∶ 6 . Who has the correct answer?

Q18:

In a doctor’s bag, for every 9 bandages, there are 6 syringes. What is the ratio of bandages to syringes?

Q19:

Complete the following: At a toy shop, the ratio of dolls to cars was 3 ∶ 5 . For every dolls, there were cars.

Q20:

A shop sells 10 CDs for $5. Bassem said, “We can write a ratio of 5 : 10 or $0.50 per CD.” Karim said, “We can write a ratio of 10 : 5 or 2 CDs per dollar.” Who is correct?

Q21:

If the ratio of red marbles to blue marbles in a bag is 4 ∶ 1 , which of the following statements is true?

Q22:

Which of the following has an equivalent ratio to that of the shown figure?

Q23:

For every 5 green apples in an orchard, there were 8 red ones. What is the ratio of green apples to red apples?

Q24:

For every 5 airplane takeoffs from an airport lot, there are 5 airplane landings. What is the ratio of airplane takeoffs to airplane takeoffs and landings?

Q25:

Determine whether the following statement is true or false: 𝑥 ∶ 𝑦 is a ratio, where for every 𝑥 units of one quantity there are 𝑦 units of another quantity.

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