Revision Topic 1: Algebra I, Ratio, Proportion and Percentages

• 3.1280

• 3.1238

• 3.381

• 2.4567

Answer explanation

To solve, convert mixed numbers to improper fractions: 45 5/9 = 410/9 and 6 1/4 = 25/4. Then, calculate (410/9) ÷ (25/4) × (3/7). This simplifies to (410/9) × (4/25) × (3/7) = 3.1238, the correct answer.

• 368
• 256
• 512
• 128

Answer explanation

• 1404
• 1440
• 1044
• 4014

Answer explanation

A printing machine prints 600 pages in 2 hours. At the same speed, how long will it take to print 1500 pages?

• 5 hours

• 6 hours

• 5.5 hours

• 6.5 hours

• 2432

• 682

• 1454

• 246

Answer explanation

A factory produces 800 units in 4 hours. If the production rate remains constant, how long will it take to produce 2000 units?

• 8 hours

• 7 hours

• 10 hours

• 6 hours

A vendor sells apples and bananas in the ratio of 5:6.

i. If he sells 990 fruits in total, how many of each were sold?

Answer: ​ (a)  

ii. If apples cost $2 and bananas cost $1.50 each, what is the total revenue?

Total revenue: ​ (b)  

• 450 Apples and 540 Bananas
• 300 Apples and 690 Bananas
• 600 Apples and 390 Bananas
• 500 Apples and 500 Bananas
• $1710
• $675
• $1080
• $950
• $810

Answer explanation