# Unit Quiz: Ratio, real life graphs, and rates of change

Close

1. 48 m²
2. 96 m²
3. 72 m²
4. 100 m²

1. 96 m²

1. \$190.00
2. \$142.50
3. \$285.00
4. \$88.81

1. \$142.50

1. 15 km/h
2. 16 km/h
3. 400 km/h
4. 20 km/h

1. 16 km/h

## Q4.A train travels 75 miles at an average speed of 25 mph. How long does the journey take?

### Options:

1. 225 hours
2. 20 minutes
3. 1/3 of an hour
4. 3 hours

1. 3 hours

## Q5.Fill in the gap: conversion rates are _______________.

### Options:

1. uni-directional
2. only one way
3. bi-directional
4. small

1. bi-directional

1. 5
2. 6
3. 7
4. 8

1. 7

1. €23
2. €24
3. €25
4. €17

1. €24

1. \$21
2. \$22
3. \$41
4. \$42

1. \$42

1. \$440
2. \$450
3. \$448
4. \$445

1. \$448

1. litres
2. metres
3. kilograms
4. kilometres

1. litres

1. 2645 kg
2. 161 kg
3. 82.1 kg
4. 35 kg

1. 161 kg

## Q12.Which ONE of the following statements could be TRUE about the graph below?

### Options:

1. A car has an average speed of 50 km/h
2. A car has an average speed of 25 km/h
3. A car has an average speed of 15 km/h
4. A car has an average speed of 20 km/h